Alexander Arms KIT50 OEM Upper Kit 50 Beowulf 16" Black Barrel, Aluminum Black Receiver for AR-15
Product Features & Specifications Alexander Arms KIT50 OEM Upper Kit 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; d
