Rock River Arms Completed Upper Receiver Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black

Rock River Arms Completed Upper Receiver Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black. 450 Bushmaster Completed Upper. Developed working with some of the most heavy duty and long lasting substances in existence these AR15 Upper Receivers through Rock River Arms provides you with a product that will give you years of stability. Rock River Arms has been making high quality products for a number of years and the Rock River Arms Mid-Length A4 .450 Bushmaster Completed Upper is their approach to showing you how much they are concerned. Right here at OpticsPlanet we make it our responsibility to purchase the most suitable product for all your specifications and exhibiting the Rock River Arms Mid-Length A4 .450 Bushmaster Completed Upper is a thing that we are happy to offer. Specifications for Rock River Arms Mid-Length A4 .450 Bushmaster Completed Upper: Manufacturer: Rock River Arms Caliber: .450 Bushmaster Overall Length: 24 in Barrel Length: 16 in Barrel Profile: Standard Gas System Length: Mid Length Barrel Twist Rate: 1-24 Firearms Threads Per Inch: 5/8x32 Handguard Type: Free-Float Muzzle Device: Brake Finish: Anadized Color: Black Gas Block Journal Size-Diameter: .936 in Handguard Length: 13 in Gun Rail: Full Top Rail Weight: 4.47 lb Barrel Material: 416R Stainless Steel Bolt Carrier Group Included: COM-SPEC Magazine Included: Yes Mount Type: M-LOK Package Contents: Rock River Arms Mid-Length A4 .450 Bushmaster Completed Upper Bolt Carrier Group Charging Handle Assembly 5 Round Magazine Rock River Arms 450B0461: Completed Upper Receiver Mid-Length A4 .450 Bushmaster 16 Inch Barrel 1-24 Twist 5/8-32 Thread Free-Float Handguard Brake Black