AR Parts in 5.56x45mm NATO

PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight MLOK w/ BCG & CH - ODG

PSA 16" Mid-Length 5.56 NATO 1:7 Nitride 13.5" Lightweight MLOK Upper w/ BCG & CH - FDE

Reap Weaponries Stave AR-15 5.56x45mm NATO/.223 Remington Bolt Carrier Group Anodized Black

Riflespeed Gas Control .625in Assembly Block AR15/AR10 RS6248

Bear Creek Arsenal BC-15 5.56 NATO 16in Upper Receiver M4 Cold Hammer Forged Carbine 1-8 1/2x28 Flash Hider Black Nitride

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

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

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

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