Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver, M4 Hammer Forged, Carbine, 1-7, 1/2X28, Flash Hide, Nitride, FDE, UASCC5022556CM41617MHF15FDESR

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver, M4 Hammer Forged, Carbine, 1-7, 1/2X28, Flash Hide, Nitride, ODG, UASCC5021556CM41617MHF15ODGSR

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver, M4 Cold Hammer Forged, Carbine, 1-8, 1/2X28, Flash Hider, Black Nitride, ODG, UAFC4045556CM41618MHF15ODGSR

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver, M4 Hammer Forged, Carbine, 1-7, 1/2X28, Flash Hide, Nitride, Tungsten, UASCC5023556CM41617MHF15TNGSR

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver, M4 Cold Hammer Forged, Carbine, 1-8, 1/2X28, Flash Hider, Black Nitride, FDE, UAFC4046556CM41618MHF15FDESR

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver, M4 Barrel, Carbine Length, 1-7 Twist, 1/2X28, Flash Hider, Parkerized, UAFC-4017-556CM41617-15TNGSR

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver, Heavy, Carbine, 1-8, 5/8X24, Flash Hider, Parkerized, FDE, UAFC4007300CHB161875015FDESR

Bear Creek Arsenal BC-15 .300AAC 16in Right Side Upper Receiver, Heavy, Carbine, 1-8, 5/8X24, Flash Hider, 416R, FDE, UASCC5025300CHB1618SS15FDESR

Bear Creek Arsenal BC-15 7.62x39 16in Upper Receiver, Heavy, Carbine, 1-10, 5/8X24, Flash Hider, Parkerized, ODG, UAFC4005762CHB1611015ODGSR

Bear Creek Arsenal BC-15 .300AAC 16in Right Side Upper Receiver, Heavy, Pistol, 1-8, 5/8X24, Flash Hider, Parkerized, FDE, UASCC5028300PHB161815FDESR

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver, M4 Barrel, Mid-Length, 1-7 Twist, 1/2X28, Flash Hider, Parkerized, ODG, UAFC-4018-556MM41617-15ODGSR

Bear Creek Arsenal BC-15 .223 Wylde 16in Right Side Upper Receiver, Heavy, Carbine, 1-8, 1/2X28, Flash Hider, Parkerized, Tungsten, UASCC5044223WCHB161815TNGSR

Bear Creek Arsenal BC-10 .308 Winchester 16in Upper Receiver, Heavy, Mid-Length, 1-10, 5/8X24, Flash Hider, Parkerized, ODG, UAFC4009308MHB1611015ODGSR

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver, Heavy, Carbine, 1-8, 1/2X28, Flash Hider, 416R, ODG, UAFC4024300CHB1618SS15ODGSR

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver, Heavy, Carbine, 1-8, 1/2X28, Flash Hider, 416R, Tungsten, UAFC4026300CHB1618SS15TNGSR

Bear Creek Arsenal BC-15 .300AAC 16in Upper Receiver, Heavy, Carbine, 1-8, 1/2X28, Flash Hider, 416R, FDE, UAFC4025300CHB1618SS15FDESR

Bear Creek Arsenal BC-15 7.62x39 16in Bolt Action Style Upper Receiver, Heavy Barrel, 1-10 Twist, 5/8X24, Flash Hider, Parkerized, UABA-305-762CHB16110-15ASR

Bear Creek Arsenal BC-15 .450 Bushmaster 18in Upper Receiver, Heavy, Mid, 1-24 Twist, 5/8X32, Flash Hider, Parkerized, ODG, UAFC4012450MHB1812415ODGSR

Bear Creek Arsenal BC-15 5.56 NATO 16in Bolt Action Style Upper Receiver, M4 Barrel, 1-7 Twist, 1/2X28, Flash Hider, Parkerized, UABA-315-556CM41617-15ASR

Bear Creek Arsenal BC-15 5.56 NATO 16in Bolt Action Style Upper Receiver, M4 Barrel, 1-8 Twist, 1/2X28, Flash Hider, 416R, UABA-321-556CM41618SS-15ASR

Bear Creek Arsenal BC-15 5.56 NATO 16in Bolt Action Style Upper Receiver, M4 Barrel, 1-7 Twist, 1/2X28, Flash Hider, Black Nitride, UABA-300-556MM41617M-15ASR

Bear Creek Arsenal BC-15 .450 Bushmaster 18in Upper Receiver, Heavy, Mid, 1-24 Twist, 5/8X32, Flash Hider, Parkerized, Tungsten, UAFC4014450MHB1812415TNGSR

Bear Creek Arsenal BC-15 5.56 NATO 20in Bolt Action Style Upper Receiver, Heavy Barrel, 1-7 Twist, 1/2X28, Flash Hider, Black Nitride, UABA-399-556RHB2017M-15ASR

Bear Creek Arsenal BC-15 224 Valkyrie 20in Bolt Action Style Upper Receiver, Heavy Barrel, 1-7 Twist, 1/2X28, Flash Hider, 416R, UABA-347-224VRHB2017SS-15ASR

Bear Creek Arsenal BC-15 .223 Wylde 10.5in Bolt Action Style Upper Receiver, M4, 1-7, 1/2X28, Flash Hider, 416R, UABA364223WCM410517SS10ASR

Bear Creek Arsenal BC-15 5.56 NATO 7.5in Bolt Action Style Upper Receiver, M4 Barrel, 1-7 Twist, 1/2X28, Flash Hider, Parkerized, UABA-302-556PM47.517-7ASR

Bear Creek Arsenal BC-15 7.62x39 16in Bolt Action Style Upper Receiver, Heavy, 1-10, 5/8X24, Flash Hider, 416R, UABA355762CHB16110SS15ASR

Bear Creek Arsenal BC15 12.7x42 18in Upper Receiver, Heavy, Mid-Length, 1-20, 49/64X20, Flash Hide, Parkerized, FDE, UAFC4031127X42MHB1812015FDESR

Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver, Straight Heavy, 1-8, 1/2X28, Flash Hider, 416R, UABA387223WCHB1618FSS15ASR

Bear Creek Arsenal BC-10 .308 Winchester 16in Bolt Action Style Upper Receiver, SOCOM, 1-10, 5/8X24, Flash Hider, Black Nitride, Black, UABA-380-308MSC16110M-15ASR

Bear Creek Arsenal BC-15 .458 SOCOM 16in Bolt Action Style Upper Receiver, Heavy, 1-14, 5/8X32, Flash Hider, Parkerized, UABA350458CHB1611487515ASR

Bear Creek Arsenal BC-15 6.5 Grendel 18in Bolt Action Style Upper Receiver, Heavy Barrel, 1-8 Twist, 5/8X24, Flash Hider, 416R, UABA-330-6.5MHB1818SS-15ASR

Bear Creek Arsenal BC-15 6mm ARC 18in Upper Receiver, Heavy, Mid-Length, 1-8, 5/8X24, Flash Hider, Parkerized, FDE, UAFC40346MMAMHB181815FDESR

Bear Creek Arsenal BC-15 .300 Blackout 10.5in Bolt Action Style Upper Receiver, Heavy, 1-8 Twist, 5/8X24, Flash Hider, Parkerized, UABA-301-300PHB10.518-10ASR

Bear Creek Arsenal BC-15 .223 Wylde 16in Bolt Action Style Upper Receiver, M4, 1-8, 1/2X28, Flash Hider, 416R, UABA-331-223WCM41618SS-15ASR

Bear Creek Arsenal BC-15 .300 Blackout 16in Bolt Action Style Upper Receiver, Heavy, 1-8, 5/8X24, Flash Hider, 416R, UABA356300CHB1618SSBCF15ASR