Radical Firearms Complete Upper Assembly 20in .450 Bushmaster 15in MHR Black

Radical Firearms Complete Upper Assembly 20in .450 Bushmaster 15in MHR Black. 450 Bushmaster. These AR15 Upper Receivers by Radical Firearms come complete and assembled so that you don't have to fidget around with parts or waste time building. The Radical Firearms Upper Assembly w/ MHR comes with an upper receiver forward assist custom ejection port door barrel nut 16in 450 Bushmaster barrel Panzer muzzle brake bolt carrier group charging handle and a 450 Bushmaster mag. You won't find a better collection of parts for this great of a value anywhere else on the market. Plus you can utilize the M-LOK attachment points on the sides and bottom or the Picatinny rails at the fore end to mount optics lasers lights bipods and other accessories to customize your rifle to its fullest potential. Pick up your Radical Firearms .450 Bushmaster Full Upper Assembly today to build a powerful rifle that will deliver optimum performance for life. Specifications for Radical Firearms Complete Upper Assembly .450 Bushmaster 15in MHR Single Ramp Black Box: Manufacturer: Radical Firearms Cartridge: .450 Bushmaster Gas System Length: Mid Length Barrel Twist Rate: 1-20 Threads per Inch: 5/8x32 Handguard Type: Free-Float Muzzle Device: Panzer Brake Finish: Anodized Color: Black Model: 15in First-Gen Hybrid Rail System - FHR Gas Block Journal Size-Diameter: .936 in Handguard Length: 15 in Handguard Style: Hybrid Rail Gun Rail: M-LOK Condition: New Magazine Included: Yes Features of Radical Firearms Complete Upper Assembly .450 Bushmaster 15in MHR Single Ramp Black Box: Barrel Profile: Big Bore Profile Barrel Material: 4140 Chrome Moly Vanadium Barrel Finish: Melonite Barrel Extension: Single Feed Ramp Gas Block Type: .936 Low-profile Gas Block Upper Receiver Material: Forged 7075 T6 Upper Receiver Style: M4 MIL-STD with Oversized Ejection Port Upper Receiver Finish: Type III Anodizing Forward Assist: Yes Dust Cover: Yes Charging Handle: MIL-STD Bolt Carrier Group Included: Yes BCG Finish: Nitride Magazine: 450 7 Round Includes 1 Magazine Package Contents: Radical Firearms Complete Upper Assembly .450 Bushmaster 15in MHR Single Ramp Black Box Radical Firearms CFU20-450BUSH-15MHR: Complete Upper Assembly 20in .450 Bushmaster 15in MHR Black