The Rock River Arms RRAge 3G .300 AAC Blackout is a LAR-15M rifle chambered for the compact .300 Blackout cartridge (part no. BLK1700DS). It has a 16-inch chrome moly barrel with a 1:8 twist and a pistol-length gas system. A 15-inch RRAge 3G free-float handguard with M-LOK compatibility holds lights and accessories. The upper is extruded aluminum with a port door and no forward assist. It ships with a 30-round polymer magazine from Rock River Arms.

Key Specifications

• The chambering is .300 AAC Blackout, a compact AR cartridge that fires both supersonic and subsonic loads.
• The barrel is 16-inch chrome moly with a 1:8 twist.
• The muzzle carries an A2 flash hider on a 5/8-24 thread, which accepts other muzzle devices.
• The gas system is pistol length with a low-profile gas block, matched to the short case.
• The handguard is a 15-inch RRAge 3G free-float rail with M-LOK compatibility.
• The trigger is an RRA Single Stage design, simple and dependable.
• The stock is an RRA six-position Tactical CAR, and the grip is an A2 style.
• The upper is extruded aluminum A4 with a port door and no forward assist, which trims weight.
• A 30-round RRA polymer magazine is included.
• The rifle weighs 6.7 pounds and is 36 inches long with the stock extended.

Frequently Asked Questions

What magazine does it include? Rock River includes one 30-round RRA polymer magazine, along with a manual and warranty information.

Does it have a forward assist? No. The upper is extruded aluminum with a port door and no forward assist.

What is the muzzle thread? The A2 flash hider mounts on a 5/8-24 thread.

Buy the Rock River Arms RRAge 3G LAR-15M Rifle, .300 AAC Blackout, 16-Inch Barrel, 30-Round

For shooters who want a light, handy AR in .300 Blackout with a free-float rail, the RRAge 3G is a no-nonsense choice. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and check out more semi-auto rifles while you are here.