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SKU: GAG_RRA450B0592
Rock River Arms Tactical Carbine Complete Upper Receiver Features The Rock River Arms Tactical Carbine Complete Upper Receiver is equipped with a 16 chrome moly barrel with a 1:24 twist rate ensuring excellent accuracy and stability for .450 Bushmaster ammunition. The RRA Operator Muzzle Brake with a 5/8-32 thread effectively reduces recoil and muzzle rise enhancing shooting comfort and control. This upper receiver features a low profile gas block and a mid-length gas system providing reliable operation and smooth cycling. The RRA 13 extended lightweight free float M-LOK handguard offers ample space for accessory attachment while maintaining a lightweight profile. The package includes a bolt carrier group and a charging handle assembly ensuring you have all the necessary components for a complete and functional upper receiver. Additionally it comes with one 5-round magazine making it ready for use right out of the box. Rock River Arms Tactical Carbine Complete Upper Receiver Specifications Manufacturer: Rock River Arms Model: Tactical Carbine Complete Upper Receiver Caliber: .450 Bushmaster Barrel Length: 16 Barrel Material: Chrome Moly Twist Rate: 1:24 Muzzle: RRA Operator Muzzle Brake Thread Pattern: 5/8-32 Gas Block: Low Profile Gas System: Mid-Length Handguard: RRA 13 Extended Lightweight Free Float M-LOK Finish: Anodized Color: Black Includes: Bolt Carrier Group and Charging Handle Assembly Magazine: (1) 5-round magazine Compatibility: Fits AR-15