Stern Defense 9MM Glock Colt Complete AR-15 Bolt Carrier Group SD BU9 ECHO NiB

Stern Defense 9MM Glock Colt Complete AR-15 Bolt Carrier Group SD BU9 ECHO NiB

Made with 8620 AISI steel and boasting a NIB/Mag-phosphate finish, the Stern Defense 9MM Glock Colt Complete AR-15 Bolt Carrier Group SD BU9 ECHO NiB fits into Mil-Spec and Glock-pattern upper receivers. It functions with Colt SMG, Glock magazines and it’s fully compatible with standard AR15/M16 charging handles. Comes fully assembled with all sub-components installed, including firing pin/spring/retaining pin, extractor, and extractor spring.   Also included in bolt assembly is a proprietary center and roll pins.  Stern Defense 9mm bolts incorporate a new bolt design which caters to single stage triggers with short resets.  It also allows use with the JP silent captured spring. This bolt is compatible with the Law Tactical folding stock and the Echo trigger. 

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MVB Industries AR-15 Pistol Caliber Billet Upper Receiver

MVB Industries AR-15 Pistol Caliber Billet Upper Receiver

The MVB Industries AR-15 Pistol Caliber Billet Stripped Upper Receiver is the perfect platform for building your unique, mission-specific, AR-15 pistol caliber rifle/pistol. Made from a high-strength, 7075 T6 aluminum for durability. Mil-Spec, MIL-A-8625 Type III hardcoat anodized finish adds extra strength and delivers superior abrasion-resistance for rugged field use. Precision-machined to ensure drop-in installation of Mil-Spec aftermarket parts.

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Rainier Arms AR-15 9MM Billet Receiver Set

Rainier Arms AR-15 9MM Billet Receiver Set

The Rainier Arms AR-15 9MM Billet Receiver Sets are CNC machined from solid billet 7075-T6 aluminum which is 70% stronger than the commonly used 6061 aluminum and finished with milspec hardcoat anodize to a surface hardness of 60 Rockwell. The precision machining of the Rainier Arms billets are well known in the industry. Rainier Arms AR-15 9MM Billet Receiver Sets utilize GLOCK® 9mm magazines.

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Stern Defense AR-15 9MM Conversion Adapter

Stern Defense AR-15 9MM Conversion Adapter

There’s no need to go with a pistol-caliber specific AR lower on your next pistol-caliber carbine build. With the Stern Defense AR-15 9mm Conversion Adapter you have the ability to utilize popular pistol magazines which you may already have a supply of. Stern Defense make two differ models of their Conversion Adapter, one which uses Glock® magazines, and one which uses either Smith & Wesson M&P or Sig 320/250 magazines.

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Stern Defense SD Mod 4 9mm AR-15 Upper Receiver

Stern Defense SD Mod 4 9mm AR-15 Upper Receiver

The Stern Defense SD Mod 4 9mm Upper Receiver is a complete upper receiver featuring a 4 inch, 1-10 twist, Melonite finish barrel, is free float in a 4in M-LOK handguard attached to a 7075-T6 forged aluminum receiver. On the end of the barrel mounted on the ½-36 threads is a 1.75” long, 1.2” diameter blast can designed to direct the short barreled blast away from the shooter.

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FM PRODUCTS AR-15 FM-9 9MM AR HEAVY BUFFER

FM PRODUCTS AR-15 FM-9 9MM AR HEAVY BUFFER

The Foxtrot Mike Products FM-9 Heavy Pistol Buffer is the correct weight to ensure reliable cycling of any blow-back operated AR-15 pistol action. With its extended length, the FM-9 Heavy Pistol Buffer requires no spacer and helps prevent bolt catch breakage. By installing this buffer, you’ll enjoy smoother function, less felt recoil, and reduced rate of fire from your AR pistol. The FM-9 is compatible with all 9mm upper receivers.

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PSA GEN4 AR9 16″ 9MM NITRIDE 1-10 13 5 LIGHTWEIGHT M-LOK RAILED UPPER

PSA GEN4 AR9 16″ 9MM NITRIDE 1-10 13 5 LIGHTWEIGHT M-LOK RAILED UPPER

The Palmetto State Armory best selling 9mm AR features – Barrel: 16″ chrome moly steel barrel, chambered in 9mm (9×19) with a 1/10 twist rate. The A2 profile barrel is nitride treated for durability and finished off with a Palmetto State Armory 13.5″ Lightweight M-Lok free-float rail and an A2 birdcage style flash hider. The barrel is laser engraved with “9MM 1:10 PSA PCC CHAMBER” because it has been optimized for use in Pistol Caliber Carbine competitions.

Upper: Billet 6061-T6 A3 AR slick side upper is hard coat anodized black for durability. These slick side upper receivers are made for us right here in the USA.

Bolt Carrier Group: Gen 4 Hybrid 9mm BCG. Nitride treated 8620 steel bolt, with an enhanced firing pin and external 5.56 style ejector. The bolt carrier group is compatible with most aftermarket fire control groups.

To be used with Palmetto State Armory 9mm lowers that use either Colt® or Glock®-style magazines.

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ELFTMANN TACTICAL AR-9 MATCH TRIGGER

ELFTMANN TACTICAL AR-9 MATCH TRIGGER

The ELF AR-9 Drop-In Match Trigger has been built for performance. Specifically developed for 9mm and .45 PCC platforms, after tens of thousands of rounds of testing in all platforms, the boss has decided this is the best trigger we have ever produced and does it all in every AR platform. It has a u-shaped captured disconnector that forces a positive hold on the hammer and also has a “pad” that matches up to an extension on the hammer. The pad is directly in line with the rear trigger pin so when the hammer is stopped by those matching surfaces it effectively eliminates trigger slap from the hammer hitting the disconnector and greatly enhances the feel of the trigger during live fire.

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YANKEE HILL MACHINE 9MM BOLT BUFFER YHM-925-A

YANKEE HILL MACHINE 9MM BOLT BUFFER YHM-925-A

The Yankee Hill Machine 9mm Bolt Buffer YHM-925-A  designed for carbine AR-15 stocks is manufactured from high quality stainless steel and features extra weight and length for 9mm AR’s. The added length helps prevent breakage of the bolt catch. Includes a mil. spec. bumper. The buffer weight is 5.9 oz which places it between the 5.4 oz H3 and 6.08 oz VLTOR A5-H3 buffers. 

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Why Would I Want a 9MM AR-15?

There are several key reasons to want to own a 9mm AR-15.

  • Duty Sidearm Compatibility – There is a great benefit to having a long gun share the same ammunition as you duty sidearm or everyday carry weapon (ECW).
  • Inexpensive 9mm Ammunition –  Typically 9MM ammunition is substantially cheaper than it’s centerfire rifle equivalent.
  • Reduced Penetration – 9MM ammunition can be a better choice than .223/5.56 centerfire where over penetration is a concern.
  • Sound Suppression – 9MM subsonic ammunition is still a formidable round when compared to a subsonic .223/5.56 centerfire cartridge. Think about it. .223/5.56 centerfire at subsonic speeds is a subsonic .22.
  • Low Recoil – 9MM in any AR format whether carbine or pistol is easier to shoot than .223/5.56 centerfire in the same gun. 9MM in any AR format is easier to shoot than the same 9mm ammunition in your Glock, Sig Sauer, Smith & Wesson M&P, Beretta or Springfield XD. Easier to shoot equates to accuracy and control. This in turn leads to more rounds on target.
  • Light Weight – In most cases a 9MM AR will be lighter than the .223/5.56 centerfire AR. The barrel will be lighter because of the larger bore required for the 9MM bullet. Some of the weight might savings might be negated by the type of 9MM AR lower used. A magazine full of 32 9mm rounds is lighter than 30 rounds of .223/5.56 centerfire. They also take up a lot less space
  • Fewer Parts – The 9mm AR-15 is blowback design. This is similar to most .22 semiautomatics, semiautomatic handguns and other 9MM cambered semiautomatic rifles. A 9MM AR15 does not use a rotating bolt and the gas system utilized by the .223/5.56 centerfire counterpart.
  • Magazine Capacity – The standard magazines are the 32 round Colts based on the UZI SMG magazines. They hold a lot of rounds in a slim package. The Glock based 9MM AR-15 magazines can be had in many capacities with 17 and 32 being typical. It should be noted that due to local laws shooters may be limited to lower capacities like 5 round and 10 round. Both Colt and Glock magazines can be purchased in those capacities. The capacity benefit diminishes though in this case.
9MM AR-15 Technical Considerations

9MM AR-15 Lower Receiver Wear and Tear

There is a misconception that firing a centerfire pistol caliber cartridge like 9MM Parabellum with the AR-15 platform is somehow “easier on the gun”. This is completely false. The AR-15 by design is meant to use the.223/5.56 cartridges ignited and expending gasses to cycle the action. This gas system combined with the locked rotating bolt do a magnificent job of absorbing the explosive energy of the .223/5.56 cartridge. The 9MM version of the AR-15 being blow-back operation does not use the gas system. This is offset by a heavy recoil buffer. There are many pictures on the internet where poor quality inconsistent 9mm ammunition caused catastrophic failure of the weapon. USE ONLY QUALITY AMMUNITION IN YOUR FIREARMS.

Colt 9mm Carbine AR6951 9mm AR 15

9MM AR15

9MM AR 15

9MM AR

AR 15 9MM

AR 9

AR9

AR15 9MM

COLT 9MM AR

9MM AR-15 History


Colt 9mm Submachine Gun R0635 aka Colt  9mm SMG

The 9mm AR15 might seem like a relatively new AR-15 variant to many newer shooters but nothing could be further from the truth. The 9mm AR15 roots date back to the early 1980’s with the Colt 9mm SMG R0635. The Colt SMG 9mm is a variation of the M-16 rifle that is blowback operated and fires from a closed bolt. It features a Safe/Semi/Full Auto Select Fire Trigger Group. The Colt 9mm SMG R0635 utilized a magwell adapter to accept UZI 9mm magazines. The UZI magazines were modified with a groove to allow the bolt to lock open after the last round.

Colt 9MM SMG R0635 Catalog Page

Colt 9MM SMG R0635

I read elsewhere that Colt never promoted the 9mm Carbines as they didn’t want the weapons to compete with their own 5.56/.223 Remington versions. This did not prevent law enforcement agencies from adopting the Colt 9MM Carbine.

9MM AR-15 Today

Today modern shooters have made the AR-15 Modern Sporting Rifle the most popular rifle in America. Shooters also tend to never be satisfied with what they have. Once exhausted of typical AR-15 hardware upgrades we tend to look to alternative AR calibers like .22 long rifle, .308 Winchester and pistol calibers. This page is devoted to the 9mm Parabellum version of the latter.

9MM AR 15 BARReL
9MM AR 15 RIFLE
9MM AR 15 FLASH HIDER OPTIONS
9MM AR-15 BOLT
9MM AR 15 BUFFER SYSTEM PARTS
9MM AR-15 DEDICATED CONVERSION BLOCK OPTIONS
9MM AR 15 TRIGGER OPTIONS
9MM AR 15 UPPER RECEIVER OPTIONS
9MM AR 15 TECHNICAL
9MM AR 15 MAGAZINE OPTIONS
9MM AR 15 LOWER RECEIVERS OPTIONS
9MM AR SIGHTS

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