Rock River Arms Tactical Carbine A4 Mid-Length Upper in .450 Bushmaster, 16-Inch Barrel

Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16 Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13 Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 450B0592

The Rock River Arms Tactical Carbine A4 Mid-Length Upper in .450 Bushmaster is designed for reliable performance and versatility. Featuring a 16-inch chrome moly barrel with a 1/24 twist rate, this upper provides optimal accuracy and durability for demanding shooting applications. The chamber is precisely machined to accommodate .450 Bushmaster rounds, offering substantial stopping power for hunting or tactical use. The lightweight free float rail system, measuring 13 inches and compatible with M-Lok accessories, ensures enhanced stability and ease of customization. The included RRA Operator Brake (5/8-32 thread) effectively reduces recoil and muzzle rise, contributing to improved shot recovery and accuracy. This complete upper assembly comes with a bolt carrier group, charging handle, and a 5-round magazine, making it ready for immediate installation and use on compatible AR-style platforms. Crafted with attention to detail and quality, the black finish on the upper adds corrosion resistance and a sleek appearance for a professional-grade firearm component. Whether upgrading an existing build or starting a new project, this upper delivers the performance and reliability expected from Rock River Arms. Its compatibility with standard AR-15 components facilitates straightforward installation and maintenance, making it an excellent choice for enthusiasts seeking precision and power in their rifle setup.

Features:

• Chambered in .450 Bushmaster for powerful performance

• 16-inch chrome moly barrel with a 1/24 twist rate for accuracy

• Lightweight 13-inch M-Lok compatible free float rail for customization

• Includes RRA Operator Brake (5/8-32 thread) for recoil management

• Complete upper assembly with bolt carrier group, charging handle, and magazine

• Black corrosion-resistant finish for durability and sleek appearance