The Radical Firearms Forged AR-15 in .300 AAC Blackout (brand part no. FR16-300HBAR-15RPR) is a semi-automatic rifle built on forged 7075-T6 upper and lower receivers, giving shooters a mil-spec-pattern AR-15 for the versatile .300 Blackout cartridge. Radical Firearms pairs a 16-inch 4140 chrome-moly-vanadium heavy barrel finished in Melonite with a pistol-length gas system and a .750 low-profile gas block, and threads the muzzle 5/8×24 for the included A2 flash hider. A 15-inch free-float M-LOK handguard and a 6-position B5 Bravo stock round out the build, and the rifle feeds from a 30-round 5.56 magazine. Among AR-platform rifles in the AR rifles category, this Radical Firearms build favors shooters who want a fully mil-spec .300 Blackout AR.

Key Specifications

• Chambered in .300 AAC Blackout.
• The barrel carries a 1:8-inch rate of twist.
• Features a 16-inch 4140 chrome-moly-vanadium heavy barrel, finished in Melonite.
• Runs a pistol-length gas system with a .750 low-profile gas block.
• Includes an A2 flash hider, threaded 5/8×24.
• Built on forged 7075-T6 upper and lower receivers.
• Includes a 15-inch free-float M-LOK handguard.
• Fitted with a 6-position B5 Bravo stock.
• Uses a selector-switch safety.
• Overall length is 35.5 inches, weighing approximately 7.3 pounds.

Frequently Asked Questions

What gas system does this rifle use? A pistol-length system with a .750 low-profile gas block.

What stock does this rifle use? A 6-position B5 Bravo stock.

Buy the Radical Firearms Forged AR-15 .300 Blackout

A fully mil-spec .300 Blackout AR is exactly what this Radical Firearms build delivers. As soon as it is ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.