The Justice Department sued Minnesota, Minneapolis and St. Paul on September 24, 2026, challenging firearm-purchase delays that force lawful citizens to wait as long as 30 days under state law—and allegedly nearly 60 days in the two cities—before acquiring a handgun or certain semiautomatic rifles.

The case is United States v. Minnesota, No. 0:26-cv-04123, filed in the U.S. District Court for the District of Minnesota.

This is not merely an argument about administrative efficiency. A firearm waiting period prevents an innocent person from acquiring the means of self-defense precisely when that person may need it most.

Threats do not observe government processing times.

What Is the Minnesota Gun Waiting-Period Lawsuit?

The Justice Department’s federal complaint against Minnesota⁠ challenges the state’s permit-to-purchase and transferee-report system as a violation of the Second Amendment.

According to the complaint, more than 93 percent of Minnesota residents do not possess a carry permit. Those people generally must use one of two procedures before purchasing a handgun or a rifle classified by Minnesota as a “semiautomatic military-style assault weapon.”

That politically manufactured category includes AR-15-style rifles.

Minnesota transferee-report process

Under the transferee-report process, information about the proposed firearm transfer is submitted to the buyer’s local police chief or county sheriff.

The federal complaint says Minnesota Statute §624.7132⁠ effectively prevents completion of the transfer for as long as 30 days.

The buyer may already have passed the federal background check. The dealer may already possess the firearm. The buyer may be an ordinary lawful adult trying to protect his family.

Government still makes him wait.

Minnesota permit-to-purchase process

The alternative is a Minnesota permit to purchase.

Under Minnesota Statute §624.7131⁠, a resident applies through the appropriate police chief or sheriff. The permit is valid for one year, but the issuing authority may take as long as 30 days to approve or deny the application.

The complaint alleges that Minneapolis and St. Paul commonly miss that statutory deadline, forcing some applicants to wait nearly 60 days. It also says the statute provides no penalty for the agency and no practical remedy for the applicant when police exceed the deadline. 

Government misses its deadline and nothing happens.

The citizen misses one line on a firearm form and suddenly everyone in the building develops a passionate interest in federal criminal law.

Why DOJ Says Minnesota’s Gun Law Is Unconstitutional

The complaint makes a straightforward argument: the right to keep arms necessarily includes the right to acquire them.

A government cannot claim that citizens have a constitutional right to possess common firearms while preventing them from purchasing those firearms for an arbitrary period.

Under the Supreme Court’s modern Second Amendment test, a law burdening conduct covered by the Amendment is presumptively unconstitutional. The government defending the restriction must demonstrate that it is consistent with America’s historical tradition of firearm regulation.

DOJ argues that Minnesota cannot identify an adequate historical tradition of forcing lawful citizens to wait 30 days before acquiring a common handgun or rifle.

The complaint cites recent federal decisions rejecting blanket firearm waiting periods and argues that Minnesota’s scheme directly burdens acquiring arms for defense inside the home.

That distinction is important. This lawsuit is not primarily about obtaining a public-carry permit. It concerns a person acquiring a firearm for the place where the Supreme Court has recognized that the need to defend oneself, one’s family and one’s property is at its highest.

Minnesota’s Waiting Period Covers Handguns and AR-15 Rifles

Anyone searching for “Minnesota gun waiting period,” “Minnesota permit to purchase,” “Minnesota handgun purchase law” or “Minnesota AR-15 waiting period” needs to understand that this case is not limited to one obscure class of firearm.

The challenged system covers:

• Handguns
• AR-15-style rifles
• Other rifles falling within Minnesota’s statutory definition of a semiautomatic military-style assault weapon

The AR-15 is one of the most commonly owned rifles in America. Calling it a “military-style assault weapon” does not change its semiautomatic operation or make it an automatic military rifle.

It merely gives politicians frightening language to attach to a gun they want to restrict.

I have discussed the common-use issue in my article about the Supreme Court AR-15 ban case⁠. Minnesota’s scheme raises the related question of whether government can substantially delay the acquisition of a protected firearm even when it stops short of banning it outright.

A right delayed by government choice is still a right being denied.

Gun Waiting Periods Can Get Innocent People Killed

Waiting-period advocates speak as though every firearm buyer lives in a peaceful suburban bubble and decided to buy a gun after seeing one in a sporting-goods advertisement.

Real life is not always that comfortable.

A woman may have left an abusive partner. A family may be receiving specific threats. A small-business owner may have been robbed. A homeowner may have experienced an attempted break-in and realized that police cannot be permanently stationed in his hallway.

Those people do not control when an attacker decides to return.

A mandatory 30-day gun waiting period tells a threatened person that government has already decided the danger is less important than bureaucratic delay. A nearly 60-day delay caused by administrative failure is even worse.

The person making threats does not have to pause for 60 days. A violent criminal who already possesses a stolen or illegally obtained gun is not standing patiently beside a gun counter.

The burden falls on the peaceful citizen attempting to obey the law.

That is why armed citizens and the “good guy with a gun” matter. Police respond after someone calls them. An armed citizen is already present when the emergency begins.

Evidence of defensive firearm use has repeatedly become inconvenient for anti-gun organizations because it demonstrates that private ownership is not merely recreational. My article about the restored CDC defensive-gun-use material⁠ explains why that fact keeps disappearing from anti-gun arguments.

A waiting period does not merely inconvenience the buyer. It creates a period during which government has deliberately prevented an otherwise eligible adult from acquiring effective defensive equipment.

If that person is attacked during the delay, the bureaucrats will not accept responsibility. They never do.

The Lawsuit Uses a Federal Civil-Rights Law

The federal government brought the Minnesota gun waiting-period lawsuit under 34 U.S.C. §12601.

That statute authorizes the attorney general to challenge a pattern or practice by law-enforcement officers that deprives people of rights protected by the Constitution or federal law.

DOJ argues that Minnesota, Minneapolis and St. Paul use law-enforcement agencies to administer and enforce an unconstitutional firearm-purchase system. The complaint therefore treats enforcement of the waiting period as a pattern or practice depriving citizens of their Second Amendment rights.

This is a notable use of federal civil-rights enforcement.

For decades, anti-gun politicians behaved as though the Second Amendment were a disfavored suggestion rather than part of the Bill of Rights. Gun owners were expected to accept delays, fees, discretionary permits and deliberate administrative obstruction that would cause immediate outrage if imposed upon favored constitutional rights.

That is ideological discrimination against lawful gun owners. Calling it “public safety” does not make the discrimination disappear.

What Does the Government Want the Court to Do?

The complaint requests:

• A declaration that enforcement of the challenged system deprives Minnesota citizens of their Second Amendment rights
• A permanent injunction preventing Minnesota, Minneapolis and St. Paul from enforcing the challenged restrictions
• Any additional relief the court considers appropriate

The lawsuit does not merely ask the cities to process applications faster. It attacks the constitutionality of the waiting-period structure itself.

DOJ argues that both paths—the transferee report and the annual permit to purchase—force lawful citizens to wait before acquiring protected arms.

Did the Minnesota Gun Waiting Period End?

No.

The lawsuit was filed on September 24, 2026. Filing a complaint does not automatically invalidate the challenged law.

Unless the court issues an injunction or Minnesota changes the law, buyers should expect dealers and local agencies to continue following the existing process.

That distinction matters because social media will rapidly convert “DOJ filed a lawsuit” into “Minnesota’s gun waiting period is gone.”

It is not gone yet.

The defendants will have an opportunity to respond. The court may consider motions for preliminary relief, the historical record and whether the federal government has established the legal elements necessary to obtain an injunction.

The challenged rules remain a current legal obstacle while that process occurs.

Why This Case Matters Outside Minnesota

A victory could influence challenges to waiting periods elsewhere because the constitutional issue is not unique to Minnesota.

The central question is whether government can force a lawful adult to wait before acquiring a firearm that he is legally eligible to possess.

If acquiring a firearm is protected as a necessary part of keeping and bearing arms, then waiting periods require historical justification. Modern politicians cannot satisfy that burden by repeating contemporary policy preferences or presenting delays as harmless.

The delay is the burden.

A right that may be exercised only after government finishes wasting a month of your time is not being treated as a right.

Final Verdict

The Minnesota gun waiting-period lawsuit targets a system that allegedly forces lawful citizens to wait up to 30 days—and sometimes nearly 60 days—to purchase common firearms for home defense.

Minnesota is free to prohibit genuinely disqualified people from possessing firearms within constitutional limits. It is not free to treat every eligible citizen as presumptively dangerous while police conduct an extended permission ritual.

Gun-control bigots constantly insist that firearm owners should “follow the law.” Minnesota residents attempted to do exactly that and were allegedly rewarded with delays beyond the state’s own deadline.

The Justice Department is now asking a federal court to recognize the obvious:

A lawful citizen who needs a handgun or AR-15 for defense does not need it after the government eventually becomes comfortable.

He needs it before the attacker arrives.

GarandThumb.com was established on May 4, 2012, to document my experiences trying to become a better marksman.

Glock has sued Connecticut over its new “convertible pistol” law before the Connecticut Glock ban takes effect on October 1, 2026.

The federal lawsuit argues that Connecticut created a vague felony law, refused to explain which Glock pistols it prohibits and left manufacturers and dealers to gamble with criminal prosecution. Glock specifically wants the court to determine whether its newer Gen6, V Series and Slimline pistols are legal under the statute.

This is an important new chapter in the expanding state campaign against so-called convertible pistols⁠. Connecticut claims to be addressing illegal Glock switches. In reality, its law reaches backward from an already illegal conversion device and restricts ordinary semiautomatic handguns.

That is gun control’s favorite trick: blame millions of lawful products for the conduct of criminals who ignored the existing laws.

What Is the Glock Connecticut Lawsuit About?

Glock filed the federal complaint on September 21, 2026, against Connecticut Chief State’s Attorney Patrick J. Griffin and other state prosecutors.

According to the reported allegations in the complaint, Glock representatives met with Connecticut State Police and the state attorney general’s office in August. The company explained the design changes incorporated into its newer pistols and asked whether those models would be prohibited.

The state reportedly would not provide a definite answer.

Glock followed with a September 8 letter asking whether its Slimline, V Series and Gen6 pistols would be classified as convertible pistols. The company says it received no response.

That silence matters because Connecticut did not create a harmless administrative rule. It created a felony carrying a potential punishment of up to five years in prison and a $5,000 fine.

If the government intends to threaten dealers and manufacturers with felony prosecution, “we will decide what the words mean later” is not an acceptable compliance standard.

Glock seeks a declaration that its newer pistols are not covered by the law. Alternatively, the company asks the court to declare the ban unconstitutionally vague. The complaint also raises Second and Fourteenth Amendment concerns.

What Does Connecticut’s Convertible-Pistol Law Ban?

Connecticut Public Act 26-41⁠ defines a “convertible pistol” around a semiautomatic pistol using a cruciform trigger bar that can be altered by hand or with common household tools to accept a pistol converter.

The legislature’s list of supposedly relevant household tools includes screwdrivers, drills, hammers, files, saws, chisels, pliers and even crowbars.

That is an absurd way to classify firearms. Nearly any mechanical object can be deliberately altered when cutting, drilling, grinding and hammering count as evidence that it is too easily modified.

The law focuses on commercial activity involving covered pistols manufactured on or after October 1, 2026. It prohibits their importation, advertising and commercial sale, subject to listed exceptions.

It is not a general order requiring every Connecticut Glock owner to surrender an existing pistol. However, that does not make it harmless.

The government can gradually eliminate a common handgun from normal commerce without ordering immediate confiscation. It simply freezes lawful retail availability, forces manufacturers to build state-specific products and waits for the existing supply to age out.

Are Glock Gen6 Pistols Banned in Connecticut?

That is precisely the question Connecticut refused to answer.

Glock contends that its newer pistols retain a cruciform trigger bar but incorporate design changes intended to prevent the installation and operation of common machine-gun conversion devices.

The complaint reportedly cites 2025 ATF testing that found those changes prevented the installation and function of every machine-gun conversion device tested.

The affected product families identified by Glock include:

• Glock Gen6 pistols
• Glock V Series pistols
• Glock Slimline pistols
• Other new Glock models using the redesigned internal components

The statute includes language addressing material that shields the trigger bar from interference. The dispute is whether Glock’s changes satisfy that provision or whether state prosecutors can still declare the pistols “convertible.”

A lawful dealer should not need to risk a felony to discover the government’s interpretation.

Connecticut wrote the law. Connecticut had months to establish a clear model list or a formal approval procedure. Instead, the state apparently expects manufacturers, distributors and gun shops to read the minds of prosecutors.

Government incompetence is irritating when it delays a permit. It becomes dangerous when that incompetence is attached to prison time.

Glock Switches Were Already Illegal

A Glock switch is not an overlooked accessory that remained legal until Connecticut discovered it.

Federal law defines a machine gun to include a part designed and intended solely and exclusively for converting a weapon to fire automatically. The complete federal definition appears in 26 U.S.C. § 5845⁠.

Manufacturing, possessing, transferring or installing an unlawful machine-gun conversion device was already a serious federal crime. Using a converted pistol while committing another crime was already illegal several times over.

Connecticut could target the people manufacturing, trafficking and installing illegal switches.

Instead, it chose to restrict the unmodified semiautomatic handgun.

The difference is not complicated. A Glock 19 does not fire automatically. A Glock 17 does not become a machine gun because somebody owns a screwdriver. My Glock 19 and Glock 26 comparison⁠ concerns two ordinary defensive pistols, not machine guns waiting for permission to reveal their secret identities.

The criminal act is acquiring the illegal conversion device and intentionally modifying the pistol.

Why the “Readily Convertible” Standard Is Dangerous

The Connecticut Glock lawsuit matters beyond Connecticut and beyond Glock.

If a state can ban a firearm because somebody might intentionally alter it with tools and illegal parts, almost every firearm design becomes vulnerable.

Firearms are machines. Machines can be modified.

A semiautomatic rifle can be cut, drilled, welded or rebuilt. A shotgun barrel can be illegally shortened. A legal pistol can accept an unlawfully manufactured component. None of that transforms millions of untouched firearms into contraband.

The government’s theory replaces an objective question—what is this firearm?—with a speculative one: what could a criminal turn it into?

That theory has no natural stopping point.

It also encourages states to avoid clear model-based definitions. Ambiguous language allows officials to frighten dealers away from lawful commerce without accepting political responsibility for a straightforward handgun ban.

Is Connecticut’s Glock Ban Already Blocked?

No.

Filing the Glock Connecticut lawsuit did not automatically suspend the law. Unless the federal court issues an injunction or the state provides binding guidance, the relevant portions of Public Act 26-41 are still scheduled to take effect on October 1, 2026.

That distinction is important for anyone searching “Are Glocks banned in Connecticut?” or “Can I buy a Glock in Connecticut after October 1?”

The answer depends on:

• The pistol’s manufacture date
• Whether the model meets the statutory definition
• Whether the transaction is commercial
• Any applicable exception
• Subsequent court orders
• Binding guidance issued by Connecticut authorities

Existing possession is different from a new dealer sale. A privately owned older Glock is not automatically prohibited merely because the new commercial restrictions begin.

Do not confuse a filed complaint with a court victory. The state has not yet been forced to clarify the law, and the court has not yet issued the final answer Glock wants.

Why This Lawsuit Matters to Ordinary Gun Owners

The Glock 19X⁠, Glock 19, Glock 17, Glock 26 and other Glock-pattern pistols are common choices for concealed carry and home defense.

Restricting access to common defensive handguns does not disarm violent criminals. Criminals possessing illegal switches already demonstrated their willingness to ignore machine-gun laws, firearm-possession laws and usually several other laws surrounding the same incident.

The people most affected by a retail ban are lawful buyers, dealers and armed citizens who obey the rules.

That is why these laws can cost innocent lives. A government that makes effective defensive firearms harder to acquire leaves peaceful people with fewer choices while the violent offender continues obtaining prohibited equipment illegally.

Private gun ownership matters because police cannot occupy every home, parking lot, store or dark roadside. When an innocent person faces an immediate threat, the armed citizen present is more useful than the government employee who may arrive later to photograph the evidence.

What Happens Next in the Glock Lawsuit?

The immediate questions are whether Glock requests emergency injunctive relief and whether the federal court acts before October 1.

Gun owners and dealers should watch for:

• A temporary restraining order or preliminary-injunction motion
• Connecticut’s formal response to Glock’s complaint
• A state-approved list of legal or prohibited pistol models
• Clarification for Glock Gen6, V Series and Slimline pistols
• Evidence concerning the redesigned Glock internals
• Any court interpretation of “readily converted”
• Appeals following the district court’s decision

The lawsuit could produce a narrow ruling declaring the new Glock designs compliant. It could also become a broader constitutional challenge to Connecticut’s entire convertible-pistol scheme.

Either outcome would matter in Maryland, New York and other states considering similar restrictions.

Final Verdict

Connecticut wrote a felony law aimed at common semiautomatic pistols, refused to tell Glock whether its redesigned firearms comply and expected the industry to sort everything out days before the law takes effect.

That is not responsible government. It is regulatory intimidation backed by criminal penalties.

Illegal Glock switches were already illegal machine guns. Criminal conversion was already illegal. Criminal use was already illegal.

The state’s contribution was to make lawful Glock sales the new problem.

Glock’s lawsuit forces Connecticut to answer the question it avoided: if the latest pistols cannot accept the tested conversion devices, why should dealers be threatened with prosecution for selling them?

If the state cannot provide a clear answer, the law should not survive.

GarandThumb.com was established on May 4, 2012, to document my experiences trying to become a better marksman.

The Smith & Wesson M&P FPC 10mm combines a folding carbine, fifteen-round M&P magazines and the best millimeter in one surprisingly practical package.

I fired 620 rounds through the FPC 10mm using practice ammunition, defensive hollow points and heavy hard-cast loads. The carbine experienced two ammunition-related feeding problems during the first 100 rounds but otherwise functioned reliably, held its zero after repeated folding and produced its best 25-yard group with 180-grain Hornady XTP ammunition.

It is not a precision rifle, and it does not magically transform 10mm Auto into .308 Winchester. It is a compact, hard-hitting pistol-caliber carbine that offers substantially more control than a 10mm handgun.

Smith & Wesson M&P FPC 10mm Specifications

According to the official Smith & Wesson M&P FPC 10mm product page⁠, model 14167 includes:

• 10mm Auto chambering
• 16.25-inch barrel
• 30.625-inch unfolded length
• 16.5-inch folded length
• Approximately 5.7-pound weight
• Fifteen-round capacity
• Three included 15-round magazines
• M&P 10mm double-stack magazine compatibility
• Two spare-magazine compartments in the stock
• Side-folding barrel and handguard
• Picatinny-style upper rail
• M-LOK accessory slots
• Flat-face trigger
• Reversible magazine release
• Integrated recoil-buffer system
• 9/16×24 threaded muzzle
• $719 manufacturer-listed price

Smith & Wesson also sells an OD-green FPC 10mm. State-compliant versions may include reduced-capacity magazines or other changes required by local nonsense.

M&P FPC 10mm Round Count and Ammunition Tested

I fired 620 rounds over three range sessions:

Ammunition

Bullet

Rounds

Magtech full-metal jacket

180 grains

200

Sellier & Bellot full-metal jacket

180 grains

160

Federal American Eagle full-metal jacket

180 grains

100

Hornady XTP jacketed hollow point

180 grains

80

Underwood hard-cast flat nose

200 grains

80

Total

620

I used all three supplied Smith & Wesson 15-round magazines. I loaded each magazine to full capacity and rotated them throughout the test.

The FPC was cleaned and lightly lubricated before the first session. I did not clean it again until the 620-round test was complete, although I added a small amount of lubricant to the bolt rails after approximately 350 rounds.

That is enough ammunition to reveal obvious feeding, magazine and heat-related problems. It is not enough to declare the carbine immortal. Anyone promising a definitive 50,000-round durability verdict after one afternoon and two boxes of ammunition is reviewing his own imagination.

Reliability and M&P FPC 10mm Problems

The FPC 10mm experienced two failures to feed during the first range session.

Both occurred with 200-grain hard-cast flat-nose ammunition loaded in the same magazine. The bullet nose stopped against the feed ramp instead of entering the chamber. Pulling the charging handle cleared both stoppages.

I marked that magazine and continued using it. The problem did not repeat with full-metal-jacket or hollow-point ammunition, and the same hard-cast load functioned normally after the first 100 rounds.

That suggests an interaction between the new magazine, the feed-ramp surface and the long flat-nose bullet rather than a fundamental failure of the carbine. It is still something an owner should test carefully before choosing heavy hard-cast ammunition for woods defense.

There were no failures to fire, extract or eject. The bolt locked open consistently after the last round.

The FPC became dirty quickly when firing full-power ammunition. Carbon accumulated around the bolt face, chamber and inside the receiver. That is normal behavior for a blowback pistol-caliber carbine, but owners expecting an immaculate action after several hundred rounds are going to be disappointed.

The carbine continued functioning when dirty. That matters more than whether the inside remained suitable for serving breakfast.

M&P FPC 10mm Accuracy at 25 Yards

I tested accuracy from a bench at 25 yards using a compact red-dot sight and a supported front handguard. Each recorded group contained ten shots.

The average results were:

• Magtech 180-grain FMJ: 2.9 inches
• Sellier & Bellot 180-grain FMJ: 3.1 inches
• Federal American Eagle 180-grain FMJ: 2.7 inches
• Hornady 180-grain XTP: 2.2 inches
• Underwood 200-grain hard cast: 2.8 inches

The pictured target is a representative ten-shot group fired with Federal American Eagle 180-grain ammunition. It measured just under three inches, with most shots concentrated near the center and two rounds opening the group.

The FPC is capable of keeping rounds inside the practical scoring area of a defensive target at ordinary pistol-caliber-carbine distances.

At 50 yards, ammunition differences became more noticeable. The Hornady load remained the most consistent, while inexpensive practice ammunition produced occasional unexplained shots outside the main group.

That accuracy is entirely adequate for home defense, trail use and shooting steel. The FPC is not intended to replace a bolt-action hunting rifle or Service Rifle.

Does the FPC Return to Zero After Folding?

The FPC folds horizontally, allowing the barrel and handguard to pivot beside the receiver. The optic remains attached to the receiver’s top rail.

I checked the zero after repeatedly folding and unfolding the carbine between groups. After 50 folding cycles, the center of the group had shifted less than one inch at 25 yards. That difference was small enough to fall within normal shooter and ammunition variation.

The hinge remained tight, and the locking mechanism engaged positively each time. I found no visible peening or unusual movement around the hinge.

This is the correct way to design a folding carbine with an optic. Mounting the sight on the stationary receiver prevents the folding barrel assembly from dragging the optic around with it.

The charging handle also retains the folded assembly. It is simple, requires no separate strap and keeps the folded carbine from opening inside its case.

Recoil and Shooting Impressions

The M&P FPC 10mm produces more recoil than a typical 9mm carbine. Nobody should find that surprising unless his understanding of ammunition begins and ends with the price sticker.

The recoil is a firm rearward push accompanied by the movement of the blowback bolt. It is not painful, but it is more noticeable than the recoil from a gas-operated 5.56mm AR-15.

Smith & Wesson’s integrated buffer keeps the impulse manageable. The stock remained comfortable during longer strings, and the carbine did not become unpleasant with full-power ammunition.

The heavier 200-grain loads produced the strongest impulse. The difference between ordinary practice ammunition and full-power woods ammunition was immediately obvious.

The flat-face trigger was usable but not remarkable. Mine broke consistently without excessive grit, although it was heavier than a good AR-15 trigger. It is appropriate for a defensive folding carbine, not a benchrest rifle.

M&P FPC 10mm Magazine Compatibility

The FPC accepts Smith & Wesson M&P 10mm double-stack pistol magazines. That is one of the strongest reasons to buy it.

An owner with an M&P 10mm handgun can use the same magazines in both firearms. Smith & Wesson includes three 15-round magazines, and the stock stores two spares using quick-release retention tabs.

With one magazine in the grip and two in the stock, the carbine carries 45 rounds without requiring an external magazine pouch.

The stock compartments held loaded magazines securely throughout the test. Neither magazine moved free during firing, carrying or repeated folding.

The release tabs are positive, although they require deliberate pressure. That is preferable to watching a fully loaded 10mm magazine launch itself into the mud.

Do not assume that FPC 9mm magazines, .40 S&W magazines and M&P 10mm magazines are interchangeable merely because they share similar dimensions.

What Does the 16.25-Inch Barrel Do for 10mm?

A 16-inch barrel can increase velocity with some 10mm loads, but results depend heavily on the powder, bullet weight and original cartridge design.

The additional barrel length does not turn 10mm Auto into a centerfire rifle cartridge. It does provide a stable shoulder-fired platform, a useful sight radius, a stationary optic and easier recoil control.

I previously reviewed the Glock G40 10mm long-slide pistol⁠. The Glock offers superior portability and can be carried in a proper chest or belt holster. The FPC provides better stability and is considerably easier to shoot accurately at distance.

For hunting or outdoor defense, the choice depends on whether the owner prioritizes immediate handgun access or carbine-level control.

Is the M&P FPC 10mm Good for Bear Defense?

The FPC 10mm is useful around a rural property, hunting cabin or campsite, but the caliber name does not create an invisible force field around the shooter.

A bear-defense carbine must function with the chosen ammunition. Heavy hard-cast bullets can have long, blunt profiles that feed differently from conventional full-metal-jacket ammunition. My two early failures with 200-grain hard-cast ammunition demonstrate why every defensive load must be tested.

The FPC provides better control and easier aiming than a 10mm handgun. It also provides less power than a proper centerfire rifle or shotgun.

A folded carbine packed beneath camping equipment is compact but nearly useless during an immediate emergency. Equipment placement matters as much as equipment selection.

M&P FPC 10mm for Home Defense

For home defense, the FPC offers fifteen-round capacity, a shoulder stock, room for a red-dot sight and M-LOK slots for a weapon-mounted light.

A weapon light helps the homeowner identify what is in front of the muzzle. It does not replace a handheld light, safe gun handling or judgment.

Full-power hunting ammunition may penetrate more deeply than desired inside a house. Select home-defense ammunition with the building, family members and neighboring homes in mind.

Police are not stored in your hallway waiting for glass to break downstairs. Armed citizens must be capable of defending themselves during the time between recognizing a threat and receiving outside help. That is why private gun ownership matters and why politicians who restrict defensive firearms place innocent people in greater danger.

M&P FPC 10mm Muzzle Threads and Suppressor Compatibility

The FPC 10mm uses 9/16×24 muzzle threads.

That is not the 1/2×28 thread commonly found on 9mm carbines, nor is it the 5/8×24 thread common on many centerfire rifles.

Any suppressor mount, compensator or muzzle brake must match the 9/16×24 thread and safely accommodate a .40-caliber projectile. A device designed only for 9mm can create a very expensive demonstration of why bore diameter matters.

A suppressed blowback 10mm carbine may also send additional gas and fouling into the receiver. Function should be verified with the specific suppressor, mount and ammunition.

M&P FPC 10mm vs. CMMG Banshee 10mm

The CMMG Banshee 10mm uses AR-style controls and CMMG’s radial-delayed operating system. It is available in configurations that are shorter than the Smith & Wesson when ready to fire.

The FPC instead provides a conventional 16.25-inch rifle barrel and shoulder stock. It folds for transportation without depending on a pistol brace and shares magazines with the M&P 10mm pistol.

The Banshee offers familiar AR ergonomics and a more sophisticated operating system. The FPC is lighter, less expensive and easier to store.

Is the M&P FPC 10mm Worth $719?

At its $719 manufacturer-listed price, the FPC 10mm provides a strong collection of features:

• Three magazines
• Folding construction
• M&P pistol-magazine compatibility
• Onboard spare-magazine storage
• Optics-ready receiver
• M-LOK accessory slots
• Threaded barrel
• Manageable weight
• Full shoulder stock

The primary disadvantages are more expensive ammunition, heavier recoil than a 9mm PCC, increased blowback fouling and an uncommon muzzle-thread specification.

After 620 rounds, I would trust the FPC with the full-metal-jacket and hollow-point ammunition tested. I would conduct additional testing before relying on the particular hard-cast load that produced the two early feeding problems.

Final Verdict

The Smith & Wesson M&P FPC 10mm is not merely a larger-caliber version of the original 9mm folding carbine.

The additional power changes the character of the firearm. It becomes a legitimate woods, hunting-camp and rural-defense carbine while retaining the FPC’s compact storage, magazine compatibility and sensible optic arrangement.

Mine remained accurate, held its zero and completed 620 rounds with only two early stoppages involving the same flat-nose ammunition and magazine.

The folding system is useful rather than gimmicky. The stock magazine storage works. Recoil is substantial but manageable. The accuracy is more than sufficient for the carbine’s intended purpose.

For an M&P 10mm pistol owner, the FPC is an easy recommendation. For somebody seeking a compact 10mm carbine without spending well over $1,000, it deserves serious consideration.

It is compact without being legally complicated, powerful without pretending to be a rifle cartridge and unusual without being stupid.

That is about as good as firearm design gets.

GarandThumb.com was established on May 4, 2012, to document my experiences trying to become a better marksman.