Alexander Arms KIT50 Upper Parts Kits 50 Beowulf 16" Black Barrel, Aluminum Black Receiver for AR-15
The 50 Beowulf DIY Upper Kit includes: 16" barrel with 1:20 twist, 49x64-20 tpi thread and thread protector; complete upper receiver; charging handle; gas block; dowel pins; gas tube; complete BCG with bolt; one 7-round mag. NOTE: Requires handguard to complete.