AR Parts in 5.56x45mm NATO

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

Moriarti AR-15 Model Gen 2 Rifle Barrel Threaded 5.56x45mm NATO 7 inch 1/2x28 Thread Nitride Black 7 inch

Hitman Industries AR-15 5.56x45mm NATO Medium Rifle Barrel 5 inch 1-5 Twist Pistol Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO M4 Rifle Barrel 14.5 inch 1-7 Twist Carbine Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 8 inch 1-7 Twist Pistol Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 7.5 inch 1-7 Twist Pistol Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 7.5 inch 1-7 Twist Pistol Length Stainless Steel

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 16 inch 1-7 Twist Mid Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 16 inch 1-7 Twist Mid Length Stainless Steel

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 10.5 inch 1-7 Twist Carbine Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 10.5 inch 1-7 Twist Carbine Length Stainless Steel White

Hitman Industries AR-15 5.56mm Galil Rifle Barrel 18 inch 1-7 Twist Nitride Black

Hitman Industries AR-15 5.56mm Galil Rifle Barrel 13 inch 1-7 Twist Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 16 inch 1-8 Twist Non Threated Mid Length Nitride Black

Hitman Industries AR-15 5.56x45mm NATO Government Rifle Barrel 16 inch 1-7 Twist Non Threated Mid Length Stainless Steel

Cryptic Low Mass Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Mystic Bronze

Cryptic Low Mass Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Mystic Gold

Cryptic Low Mass Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Mystic Black

Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Left Hand Mystic Silver

Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Left Hand Mystic Bronze

Cryptic Bolt Carrier Group BCG - Complete .223/5.56/.300 AAC Blackout Left Hand Mystic Black