*16" 4150 Chrome Moly Steel Barrel with 1/2x28 threads. Chambered in 223 Wylde which is safe to shoot both 5.56 NATO and 223 Remington ammunition from. 1x7 Twist Rate. M4 Profile.
*.750 Low Profile Gas Block.
*Carbine Length Gas Tube.
*A2 Flash Hider with crush washer.
*Standard Milspec Charging Handle Included
*BCG Premium NITRIDE Bolt Carrier Group Included.
*This upper assembly will fit all standard AR 15 lower receivers.
item IS NOT A FIREARM!!! It is only "Firearm Parts", so no FFL is
needed and it can be shipped directly to you. You are responsible for
knowing your state or local laws. We will not ship this item to areas
where it is not legal to own.