Side-Charger AR-9 Pistol Upper Assembly – 7.5″ Parkerized Heavy Barrel, 1:10 Twist w/ 5.5″ M-LOK Handguard

Description

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: 1/2×36
• 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)