American Tactical Imports 450 Bushmaster Upper 16 inch BBL Parkerized 15 inch Keymod Rail
American Tactical 450 Bushmaster Complete AR-15 Upper is drop in ready, upper receiver assembly features a forged aluminum Mil-Sport AR-15 pattern upper receiver with a 16" barrel with 1:24 button cut rifling and black nitride finish chambered for 450 Bushmaster. Completed with a 15" aluminum free floated key-mod rail system over a carbine length low profile DGIS gas system, A2 style compensator and black nitride finished bolt carrier group. Fits to any AR-15 pattern lower receiver. 100% Made in USA and Assembled in Summerville, SC. Type: Complete Caliber: 450 Bushmaster Barrel Length: 16" Twist: 1:24" Receiver Description: 7075-T6 Aluminum Receiver Finish: Black Anodized Barrel Length Range: 16.00" to 17.99"
Manufacturer: ATI Mfg Number: 15MS450BM Model: AR-15
