Rock River Arms BLK1222 LAR-15M | .300 AAC Blackout | 16-inch

This Rock River Arms LAR-15M CAR A4 is a semi-automatic rifle chambered in .300 AAC Blackout with a 16-inch chrome moly barrel and traditional A2 front sight post. It pairs well with a Vortex Strike Eagle 1-6×24 for flexible short- to mid-range work and suppressor-capable loads while staying under $1000. The rifle’s controls and furniture suit range use and field hunting where .300 Blackout’s ballistics are appropriate.

Product Specifications

• The manufacturer is Rock River Arms.
• The model/part number is BLK1222 LAR-15M CAR A4.
• The rifle is chambered in .300 AAC Blackout.
• The action is Semi-Auto.
• The barrel measures 16 inches and is chrome moly and threaded.
• The muzzle device is a A2 Flash Hider.
• The magazine capacity is 30 + 1 rounds.
• The rifling twist rate is 1:10.
• Overall length is 36 inches.
• The unloaded weight is approximately 7.10 lbs.
• The stock is a RRA 6 Position Tactical with a black finish.
• The handguard is an R4 Handguard.
• The trigger is a Two Stage Match.
• The rifle has an A2 Front sight post.
• The UPC is 842834119646.

This configuration gives a solid balance of controllability, modularity, and compatibility with common AR-style accessories. The RRA tactical carbine stock and overmolded A2 grip provide familiar ergonomics for shooters who prioritize straightforward, functional hardware. Whether you plan to use supersonic or subsonic loads for hunting or range work, the BLK1222 offers a practical platform that accepts common AR components and optics.