Meet your new big bore AR-15 rifle. The only thing required to change to the new.50 Beowulf cartridge is to swap the upper for one chambered in 12.7x42 cartridge and switch over to 6.5 Grendel Bolts. This effortless two-step retrofit will allow shooters to experience the big bore hard-hitting performance, while still being able to use their existing AR-15 platform.
Alexander Arms 50 Beowulf 4 RD Magazine SteelAlexander Arms 4-round steel magazine manufactured by E-Lander for the .50 Beowulf weapon system..50 Beowulf magazines will feed only .50 Beowulf ammunition...Alexander Arms 50 Beowulf 4 RD Magazine SteelAlexander Arms 4-round...$27.95
AR-15 .50 Beowulf 16" Upper Build W/ 15" Slim Rail and Custom BrakeFeatures:Barrel Length: 16" 12.7x42 Cal Gas System: Carbine Barrel Profile: Heavy Barrel Steel: 416CMV Barrel Finish: Parkerized Muzzle Thread: 49/64 x 20 Twist Rate: 1/20 Barrel Extension: M4 Diameter at Gas Block: .936..AR-15 .50 Beowulf 16" Upper Build W/ 15" Slim Rail and Custom Brake...$389.95$499.95