Alexander Arms AR-15 Complete Upper Receiver 50 Beowulf 16.5" Barrel without Handguard

The Alexander Arms AR-15 Upper Receiver Build Kit is the perfect kit for anyone wanting to create a one-of-a-kind AR-15. The Upper Receiver Built Kit comes with key components such as a complete upper receiver, charging handle, gas block, dowel pins, gas tube, 16.5" threaded barrel, thread protector, complete bolt carrier group with bolt, and of course one seven round magazine. Chambered in 50 Beowulf, this upper receiver kit squeezes 50 caliber firepower into a standard AR-sized envelope, offer