AR-300 .300 AAC Blackout Pistol Upper Assembly 7" Barrel Custom 7" Top Cut Hybrid MLOK Handguard Complete w/ BCG & Charging Handle - Rose Gold

Description

Engineered for reliability and balance, this upper features a 7075-T6 forged receiver and a sleek 7” top-cut M-LOK handguard for modern accessory mounting. The 7.5” 4140 chromoly barrel with a 1:8 twist, chambered in .300 AAC Blackout, delivers consistent performance in a compact profile. Outfitted with a steel A2 birdcage flash hider, .750 gas block, steel barrel nut, and a 6.75” pistol gas system, it’s built for smooth, controlled operation. Finished with a nitride full-auto BCG, forged milspec charging handle, forward assist, and steel ejection port cover, this upper is a no-nonsense solution for short-barrel Blackout builds.

Upper Specifications

• 7075-T6 Milspec Forged Aluminum Upper Receiver
• 6061-T6 Aluminum ABC Rifle Co 7” Top Cut MLOK Handguard
• Steel Barrel Nut
• 4140 Chromoly 7.5” 1:8 Twist .300 AAC Blackout Barrel
• .750 Low Profile Steel Gas Block
• Stainless Steel 6.75” Pistol Gas Tube
• 5/8x24 Steel A2 Birdcage Flash Hider
• 8620 MPI Tested Full-Auto Rated Nitride Milspec Bolt Carrier Group w/ 9310 Bolt
• Milspec Stamped Steel Ejection Port Cover
• Milspec Forward Assist
• Forged 6061-T6 Aluminum Milspec Charging Handle

General Specifications

• Weight:
• Overall Length:
• Caliber: .300 Blackout