Alexander Arms .50 Beowulf 16in Hunter Upper Receiver 1-20 Twist 49/64-20RH Black Anodized

Alexander Arms .50 Beowulf 16in Hunter Upper Receiver 1-20 Twist 49/64-20RH Black Anodized. 50 Beowulf ammunition will void the warranty on upper receivers rifles and DIY kits. Specifications for Alexander Arms .50 Beowulf 16in Hunter Upper Receiver: Manufacturer: Alexander Arms Caliber: .50 Beowulf Overall Length: 24 in Barrel Length: 16 in Barrel Profile: Standard Barrel Twist Rate: 1-20 Threads per Inch: 49/64x20 Finish: Anodized Color: Black Fabric/Material: Chrome Gun Make: AR Platform Gun Model: AR-15 Weight: 4.3 lb Features of Alexander Arms .50 Beowulf 16in Hunter Upper Receiver Thread Protector Included LAR Alexander Arms Branded Hand Guard Mil Spec AR-15 Charging Handle One 7-round magazine. Package Contents: Alexander Arms .50 Beowulf 16in Hunter Upper Receiver What firearm models does the manufacturer say Alexander Arms .50 Beowulf 16in Hunter Upper Receiver is compatible with? The manufacturer says that Alexander Arms .50 Beowulf 16in Hunter Upper Receiver is compatible with AR-15Alexander Arms UHU-50: .50 Beowulf 16in Hunter Upper Receiver 1-20 Twist 49/64-20RH Black Anodized