Rock River Arms LAR-15M .450 Bushmaster

The Rock River Arms LAR-15M .450 Bushmaster is built as a modern sporting rifle tailored for precision hunting and range work. Its design balances controllability and ergonomics for shooters pursuing large-game or practicing long-range accuracy with heavy-for-caliber projectiles. The rifle ships with a 5-round detachable magazine and RRA factory components for a ready-to-use platform.

Constructed with forged upper and lower receivers, the rifle combines a mid-length gas system and a 13-inch free-float M-LOK handguard to provide a stable sight and accessory platform. The adjustable Operator CAR stock and Hogue rubber grip are set up to deliver consistent cheek weld and control. A two-stage RRA Ultra Match trigger and RRA Operator brake are installed as factory components to support follow-up shots and recoil management.

Key Specifications

• The caliber is .450 Bushmaster.
• The barrel length is 16 inches.
• The action type is Semi-Automatic.
• The magazine capacity is 5 rounds in a detachable magazine configuration.
• The weight is 6.8 pounds.
• The overall length is 34.5 inches.
• The handguard is a 13-inch M-LOK free-float rail.
• The trigger is an RRA Two-Stage Ultra Match trigger.
• The stock is an adjustable RRA Operator CAR stock.
• The muzzle device is an RRA Operator brake with 5/8-32 tpi.

For shooters seeking a purposeful .450 Bushmaster rifle for sale, the Rock River Arms LAR-15M pairs factory-match components with a compact 16-inch platform. Consider the Rock River Arms LAR-15M .450 Bushmaster when shopping for a modern sporting rifle configured for hunting and range performance.