5.56x45mm NATO Gun Parts

Soviet Arms 5.56 Krink Complete Bolt, Carrier, and Trunnion with Bullet Guide

Soviet Arms Krink 5.56/5.45 Booster

WBP 5.56 Parts Kit

Toolcraft Non-Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt

Toolcraft Non-Logo'd Left Handed 5.56 Nickel Boron MPI Full-Auto Bolt Carrier Group

Toolcraft Non-Logo'd Left Handed 5.56 Nitride MPI Full-Auto Bolt Carrier Group - 5165491278

Toolcraft Logo'd Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 5165449729

Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo

PSA AR-15 16" Mid-length Stainless Steel 5.56 NATO 1/7 Barrel with "5.56 NATO 1/7 FREEDOM" - 48209

Choate Tool Mini-14 Side Folding Stock2235.567.62X39

Choate Tool Mini 14 Stainless Steel Folding Stock223 5.56 7.65 X 39

Choate Tool Mini-14/Mini 30M4 P.G. Telescoping Stock223 5.56 7.65 X 39

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