Alexander Arms Upper Receiver Build Kit AR-15 Pistol 50 Beowulf 12" Barrel 49/64"-20 Thread Black

Alexander Arms AR15 Stripped Pistol Upper .50 Beowulf 12 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black. The Upper Receiver Built Kit comes with all the key components making it an excellent choice for a home build. Specifications for Alexander Arms .50 Beowulf Upper Receiver Build Kit: Manufacturer: Alexander Arms Caliber: .50 Beowulf Gas System Length: Carbine Length Barrel Twist Rate: 1-20 Threads per Inch: 49/64x20 Muzzle Device: Thread Protector Color: Black Gun Type: Rifle Gun Make: AR Platform Gun Model: AR-15 Included Accessories: 7 RD Magazine Condition: New Magazine Included: Yes Features of Alexander Arms AR15 Stripped Pistol Upper Thread Protector Complete upper receiver Charging Handle Gas block Dowel pins Gas tube Complete BCG with bolt One 7 Round Magazine Package Contents: Alexander Arms .50 Beowulf Upper Receiver Build Kit 12" or 16" Barrel 1:20 Twist Rate 49/64-20RH Threading Thread Protector Included (Upgrade Options Below) Includes complete upper receiver Charging Handle Gas block Dowel pins Gas tube Complete BCG with bolt One 7 Round Magazine Alexander Arms KIT-50-12: AR15 Stripped Pistol Upper .50 Beowulf 12 in Barrel Carbine Length 1-20 Twist 49/64x20 Thread Thread Protector Black