Complete Upper Receivers

Bear Creek Arsenal Upper Receiver .223 Wylde 20" Black Nitride Spiral Fluted Heavy Barrel 1:8 Twist Rifle Length Gas System MLOK Rail

Bear Creek Arsenal

BC-10 | 6.5 Creedmoor Right Side Charging Upper | 22” 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15” MLOK Split Rail

Bear Creek Arsenal

Bear Creek Arsenal 5.56 NATO, 16" Parkerized M4 Barrel, 1:8 Twist, Carbine Length Gas system, 15" MLOK|Flat Dark Earth Cerakote Upper

Bear Creek Arsenal

Bear Creek Arsenal Upper Receiver .450 Bushmaster 18" Barrel

Bear Creek Arsenal

Bear Creek Arsenal Upper Receiver 5.56 NATO 16” Parkerized M4 Barrel 1:8 Twist Carbine Length Gas System 15” MLOK Rail

Bear Creek Arsenal

Bear Creek Arsenal Upper Receiver .450 Bushmaster 16" Barrel

Bear Creek Arsenal

Bear Creek Arsenal .223 Wylde Upper Receiver 18" Heavy Barrel Mid Length Gas System15" MLOK Rail

Bear Creek Arsenal

Bear Creek Arsenal Upper Receiver .223 Wylde 16” Parkerized M4 Barrel1:8 Twist Carbine Length Gas System 15” MLOK Rail

Bear Creek Arsenal

Bear Creek Arsenal .223 Wylde, 16" Parkerized M4 Barrel, 1:8 Twist, Carbine Length Gas System, 15" MLOK Rail|Upper(Billet Upper Receiver)

Bear Creek Arsenal

Bear Creek Arsenal .223 Wylde, 16" Parkerized Heavy Barrel, 1:8 Twist, Carbine Length Gas System, 15" MLOK Rail|New MLOK Upper (Billet Upper Receiver)

Bear Creek Arsenal

Bear Creek Arsenal .223 Wylde, 20" Black Nitride Spiral Fluted Heavy Barrel, 1:8 Twist, Rifle Length Gas System|Upper (Billet Upper Receiver)|New MLOK

Bear Creek Arsenal

Bear Creek Arsenal 7.62x39, 16" Parkerized Heavy Barrel, 1:10 Twist, Carbine Length Gas System, 15" MLOK Rail| Sporter Upper

Bear Creek Arsenal