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

Picture of a 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.

Yankee Hill Machine has been in 9mm AR production longer than most and they know the platform well.

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AR-15 9MM BUFFER KIT | ANGSTADT ARMS

Picture of an ANGSTADT ARMS AR-15 9MM BUFFER KIT

ANGSTADT ARMS AR-15 9MM BUFFER KIT

The Angstadt Arms 9mm AR-15 Buffer Kit provides the correct weight and size buffer for reliable cycling of your 9mm blowback AR-15. Just in case you ask: the standard rifle or carbine buffer isn’t the correct weight for an AR-15 chambered for 9mm Luger.

  • 5.4oz carbine buffer
  • Carbine buffer spring
  • Aluminum buffer spacer

A wear-resistant matte black finish on the all-steel Angstadt Arms 9mm AR-15 Buffer Kit protects it from corrosion and surface wear for a long service life.

Complete 9mm AR-15 buffer kit gives you everything you need to get your 9mm AR-15 running smoothly. It is compatible with both GLOCK® and Colt® style magazines.

Visit Angstadt

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JP GMR-15 9MM BILLET LOWER RECEIVER KIT

Picture of a JP GMR-15 9MM BILLET LOWER RECEIVER KIT

JP GMR-15 9mm Billet Lower Receiver Kit

JP upgraded their awesome GMR-13 9mm AR rifles with a new lower receiver that features last round lock back, an improved magazine release and a flared magwell. The new model designation is GMR-15. Fortunately JP has made the new 9mm lower available in kit form. The “JP GMR-15 9mm Billet Lower Receiver Kit JPGMR15LRK1” would be my choice for a 9mm AR build today.

From JP Rifles: For the home builder with a 9mm Pistol Caliber Carbine project, this GMR-15™ billet lower receiver accepts Glock G17 magazines and will mate to any Mil-spec compatible upper receiver. This kit includes all proprietary bolt catch, magazine catch and ejector components required for function. Read more about the GMR-15 platform here. Visit JP

ORION 9mm AR-15 | 9mm AR Lower | 9mm AR Upper

ORION 9mm AR-15

It always excites me to learn of new players and products in the field of AR-15 rifles, carbines and pistols. The latest to catch my interest is the Orion 9mm AR-15 product lineup. It’s common knowledge here on AR-15 TACTICAL that I completely embrace pistol caliber AR-15 carbines, especially those chambered in 9mm.

The 9mm cartridge  is standard issue to many law enforcement for use with duty sidearms, the United States Military M9 pistol and probably the most popular centerfire pistol cartridge in the world. This commonality guarantees easy to locate and inexpensive ammunition for shooters everywhere.

ORION 9mm AR-15 Product Lineup

Orion Guns offers a full line of 9mm AR-15 products that include complete 9mm AR-15 rifles, complete 9mm AR-15 upper receivers, complete and stripped 9mm AR-15 lower receivers and 9mm AR-15 barrels. What is not clear about Orion Guns is whether they actually manufacture any 9mm AR-15 hardware themselves or assemble hardware from other manufacturers. I suspect the answer is somewhere in the middle. The pictures on the Orion Guns website as well as the website appear to be home brew.

Judging from the pictures on the website I suspect Orion is producing 9mm AR barrels and combining them with hardware from other manufacturers as necessary. Nothing wrong with any of this. In fact I praise and encourage them for recognizing a void and diving in. Orion Guns must be doing something right because I learned of them from Brownells. Click here for more information and ordering.

ORION 9mm AR-15 Barrels

The Orion AR-15 Barrels Chambered in 9mm are available in 5″, 8″, 10.5″ & 16″. Made of 4140 Chrome Moly Steel and black nitride finished, these barrels are heat treated and stress relieved. They are stress relieved once again after the button rifling process. All barrels threaded 5/8-24 with a 1-10 twist.

ORION 9mm AR-15 Upper Receivers

Orion offers 9mm AR-15 uppers with the following barrel lengths, 3-inch, 5-inch, 8-inch, 10.5-inch and 16-inch. The uppers are available with knurled tubular, quad-rail and standard two piece A2 style handguards.

5U-1-9mmK

  • 5″ 9mm Orion Barrel
  • 1-10 Twist
  • Black Nitride
  • A2 Flash Hider
  • 4″ Ridged Free Float Tube

8U-3-9mm-7K

  • 8″ 9mm Orion Barrel
  • 1-10 Twist
  • Black Nitride
  • A2 Flash Hider
  • 7″ Ridged Free Float Tube

16U-2-9mmK

  • 16″ 9mm Orion Barrel
  • 1-10 Twist
  • A2 Flash Hider
  • Ridged Mid-Length Free Float Handguard

ORION 9mm Lower Receivers

The Orion 9mm lowers appear to be assembled to a price point. My preference would be a Hahn 9mm magazine block and KNS anti-rotation pins installed on the lower. Note use the KNS anti-rotation pins on all 9mm AR rifles. Visit our 9mm rifle project that closely resembles the Orion offerings

ORION 9mm AR Lower Specifications

  • Anderson milspec Lower
  • Promag 9mm Magazine Block
  • Made of 7075 T6 Aluminum
  • M4 6 position Stocked lower
  • Installed CMMG Lower mil spec parts kit
  • Buffer & buffer spring installed
  • Add $18.00 each for every 9mm 32 rd mag you want
  • Uses Colt pattern 32 round 9mm magazines (We use Bushmaster colt pattern Metal mags)

ORION 9mm AR-15 Bolt Carrier Group

Orion Guns offers a black nitride coated, standard Colt 9mm AR-15 bolt carrier group. The bolt carrier works with standard AR-15 hammers. The carrier is also Glock compatible. The bolt carrier appears to be CMMG brand.

 

Maxim Defense 9mm AR15 Stock

Maxim Defense 9mm AR15 Stock – CQB

Maxim Defense 9mm AR15 Stock – CQB stock built for comfort and durability for real-world use. No buttons to push, just pull the stock to deploy. At its most collapsed position, this CQB stock only adds 5.35” to your AR15. At full extension, the Maxim CQB stock is the length of an extended carbine stock. And with 4 total positions you can adjust for maximum comfort and multiple scenarios. Rapid deployment, purpose driven materials, and the functionality you need, the Maxim Defense CQB Stock is simply the most thought out, versatile, and durable CQB stock on the market. Includes the 9mm specific JP Silent Captured Springs which has been

Maxim Defense 9mm AR15 Stock Specs

  • FEATURES: Extended Cheek Weld, Easily installs on mil-spec AR15 lowers, Interchangeable Buttstock Assemblies
  • WEIGHT: 18.59 oz.
  • MATERIAL: 7075 Aluminum Alloy housing for optimal performance with QD mounts
  • LENGTH: 5.375” closed 6.875” 1st position 8.375” 2nd position 10” fully extended
  • BUFFER: Standard, Heavy, and 9mm weight JP Silent Captured Springs. Standard and Heavy weight Buffer & Spring.

 

Built in Sling Mounts, 7075 Aluminum Housing

The Maxim PDW Stock features built in anti-rotational sling mounts on each side of the stock housing. Both the housing and the stock are made of 7075 aluminum for maximum strength to weight performance.

Length of Pull Preset & Steel Guide Rods

With the “grab and pull” operation of the Maxim Defense PDW Stock, you may want the stock to stop in the same position each time it’s deployed. Install the provided set screw and you can have consistent length of pull every time you expand the stock. 3/8” Black Nitride Steel guide rods for strength and stability.

Knurled Collapse Lever

One hand operation is possible with the Maxim collapse lever. The take down lever is knurled for positive gripping when hands are wet or wearing gloves.

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