The perfect balance of power and size.
This AR-9 upper's 7.5" barrel effectively maximizes 9mm's muzzle velocity, while keeping an overall short and compact profile. It's the perfect upper for building a range toy that can strike steel at 100+ yards, while offering the stout profile you want in a personal defense weapon.
Coupled with its stout M-LOK handguard and convenient side-charging BCG, this 7.5" upper is the one to get for your custom 9mm AR pistol or SBR build.
AR-9 Upper Assembly Specs
Barrel
- Chamber: 9mm
- Contour: Heavy
- Length: 7.5”
- Twist Rate: 1:10
- Gas System: Blow-back
- Muzzle Threads: 1/2x36
- Feed Ramps: Single
- Steel: 4150 CMV
- Finish: Parkerized
- Muzzle: Spiral Flash Hider
Handguard
- Attachment System: 5.5" M-Lok
- Finish: Type III Hardcoat Anodized (Mil-Spec)
- Top Rail: Split Rail / 1913 / Picatinny Rail
- Material: 6061-T6 Billet Aluminum
- Attachment: Barrel Nut
Upper Receiver
- Profile: Flattop w/ Rail, Right Side Charging
- Material: Billet 6061-T6 Aluminum
- Finish: Type III Hardcoat Anodized (Mil-Spec)
Bolt Carrier Group
- Profile: 9mm / Blow-back
- Steel: 9310 Tool, HPT/MPI-tested
- Treatment: Black Nitride
- Charging Handle: Integrated (Right Side Charging)
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- Caliber:
- 9mm
- Barrel Finish:
- Parkerized
- Barrel Size:
- 7.5"
- Twist Rate:
- 1/10