This 9mm AR-9 Rifle Kit brings pistol-caliber-carbine simplicity to the AR platform: no gas block, no gas tube, just straightforward blowback operation. The 16″ upper ships fully assembled with a 10″ slim Keymod handguard and a 9mm-specific bolt carrier group, and the included stock comes with an insert for Colt SMG-pattern magazines.
- Chamber – 9mm Luger
- Twist – 1 x 10
- Barrel Thread – 1/2″ x 36
- Barrel Steel – 4150 Chrome Moly, Nitride Processed
- Flash Hider – A2 Flash Hider
- Operation – Blowback — No Gas Block or Gas Tube
- Handguard – 10″ Slim Keymod Handguard
- Upper Receiver – M4 Flat-Top w/ Feed Ramps
- Bolt Carrier Group – 9mm-Specific Complete BCG
- Charging Handle – Included
- Lower Parts Kit – Mil-Spec LPK
- Stock – US-Made 6-Position Black Stock w/ 9mm Buffer, Spring & Colt-Pattern Magazine Insert
- Origin – Made in the USA
What’s Included: Assembled M4 flat-top upper, 9mm-specific BCG, charging handle, mil-spec lower parts kit, and a 6-position stock with 9mm buffer, spring, and Colt-pattern magazine insert. Lower receiver and magazines are NOT included — pair it with a dedicated 9mm AR lower, and this kit ships as a non-FFL item.
See more configurations in our AR-15 AR9 9mm rifle build kits collection, or grab a matching Ghost 9mm 80% lower receiver to complete the build.











