The Rock River Arms RRAGE 3G LAR-15M (brand part no. BT92132) is a modern sporting rifle chambered in .300 AAC Blackout, built around a 16-inch chrome moly barrel for dependable accuracy and durability. A 15-inch 3G free-float M-LOK handguard gives shooters plenty of room for lights, optics mounts, and other accessories, while the 6-position tactical stock adjusts to fit different shooters and shooting styles. It ships without sights, keeping the flat-top receiver ready for whatever optic you prefer. This is a straightforward, well-equipped AR-15 built for range use, competition, or home defense.

Key Specifications

• Chambered in .300 AAC Blackout, a versatile round suited to both close range and suppressed use.
• Built around a 16-inch chrome moly barrel for durability and consistent accuracy.
• Rifled with a 1:8 twist matched to common .300 Blackout bullet weights.
• Feeds from a 30-round detachable magazine.
• Fitted with a 15-inch 3G free-float M-LOK handguard for accessory mounting.
• Threaded 5/8-24 at the muzzle with an A2 flash hider installed.
• Adjusts with a 6-position tactical CAR stock to fit different shooters.
• Ships with no factory sights, leaving the flat-top rail ready for an optic.
• Runs a single-stage trigger for a consistent, predictable pull.
• Measures 35.5 inches overall and ships at approximately 6.7 pounds.

Frequently Asked Questions

Does the RRAGE 3G include sights? No, it ships without sights so the flat-top rail is ready for the optic of your choice.

Is the stock adjustable? Yes, the 6-position tactical stock adjusts for length of pull to fit different shooters.

What is the handguard built for? The 15-inch free-float M-LOK handguard gives shooters room to mount lights, optics, and other accessories without contacting the barrel.

Buy the Rock River Arms RRAGE 3G LAR-15M Rifle

Order the Rock River Arms RRAGE 3G in .300 AAC Blackout from our Lubbock, Texas gun shop for fast, insured shipping to your local FFL. Rock River Arms built the RRAGE 3G as a well-rounded, accessory-ready AR-15, part of our full semi-auto rifles lineup.