5.56x45mm NATO Upper Receivers

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Carbine 1-7 1/2x28 Flash Hider Black Nitride FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Carbine 1-7 1/2x28 Flash Hider Black Nitride ODG

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Black Nitride FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Black Nitride

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Carbine Length 1-8 Twist 1/2x28 Flash Hider Parkerized

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Carbine Length 1-8 Twist 1/2x28 Flash Hider Parkerized FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Carbine Length 1-8 Twist 1/2x28 Flash Hider Parkerized ODG

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Mid-Length 1-7 Twist 1/2x28 Flash Hider Parkerized

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Mid-Length 1-7 Twist 1/2x28 Flash Hider Parkerized FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Carbine Length 1-7 Twist 1/2x28 Flash Hider Parkerized

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Carbine Length 1-7 Twist 1/2x28 Flash Hider Parkerized FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Barrel Carbine Length 1-7 Twist 1/2x28 Flash Hider Parkerized ODG

Bear Creek Arsenal BC-15 5.56 NATO 16in Right Side Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hider Parkerized FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Right Side Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Parkerized Tungsten

Bear Creek Arsenal BC-15 5.56 NATO 16in Right Side Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Parkerized FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Right Side Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Black Nitride FDE

Bear Creek Arsenal BC-15 5.56 NATO 16in Right Side Upper Receiver M4 Mid-Length 1-7 1/2x28 Flash Hider Black Nitride Tungsten

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hide Black Nitride FDE

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Carbine 1-8 1/2x28 Flash Hide Nitride ODG

Bear Creek Arsenal BC15 5.56 NATO 16in Right Upper Receiver M4 Hammer Forged Carbine 1-7 1/2x28 Flash Hide Nitride ODG

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/13.5in RPTR Handguard BCG & CH Flat Dark Earth Cerakote

STNGR AR-15 5.56 NATO 11.5in M-LOK Complete Upper w/13.5in HWK Handguard BCG & CH OD Green Cerakote

STNGR AR-15 5.56 NATO 14.5in M-LOK Complete Upper w/15in HWKXL Handguard BCG & CH OD Green Cerakote

STNGR AR-15 5.56 NATO 14.5in M-LOK Complete Upper w/15in HWKXL Handguard BCG & CH Flat Dark Earth Cerakote