Rock River Arms LAR15M .450 Bushmaster 16″ 7+1

The Rock River Arms LAR15M in .450 Bushmaster is a semi-automatic modern sporting rifle built for close- to moderate-range work where a heavy, straight-walled cartridge is required. It ships with a 16″ blued barrel, synthetic black furniture and a 7-round detachable magazine. For optics, a versatile option under $1,000 that pairs well with this platform is the Vortex Strike Eagle 1-6×24, which offers a useful magnification range and a durable mounting footprint.

Product Specifications

• The UPC is 842834125562.
• The manufacturer is Rock River Arms.
• The caliber is .450 Bushmaster.
• The action is Semi-Automatic.
• The barrel length is 16 inches.
• The overall length is 37.5 inches.
• The weight is approximately 6.8 pounds.
• The magazine capacity is 7 rounds.
• The rifle uses a detachable magazine.
• The metal finish is Blued.
• The stock material is Synthetic.
• The stock color is Black.
• Notable features include a RRA freefloat M-LOK handguard and a mid-length gas system.
• Additional features include a two-stage RRA trigger, RRA Operator muzzle brake, low-profile gas block, RRA overmolded A2-style grip, RRA Operator car stock and an oversize winter trigger guard.
• The ATF classification is listed as Modern Sporting Rifle.

This LAR15M balances the .450 Bushmaster’s terminal performance with an AR-pattern ergonomics package: a free-float M-LOK handguard for accessory mounting, a mid-length gas system for smoother cycling, and a two-stage trigger for a predictable break. Its configuration makes it well suited to dense-country hunting situations and short-range brush work where straight-walled cartridges are favored.

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