PSA AR-15 Barrel 5.56 NATO 16″ M4 Carbine-Length Nitride

16″ Barrel Length
Chrome Moly Steel Barrel
Carbine Length Gas System
M4 Profile (uses .750 diameter gas block)
5.56 NATO Chamber
1 in 7″ Barrel Twist
Nitride Barrel Finish

 Please check the barrel closely for any irregularities. It is the builder’s responsibility to check headspace before assembling.

In the unlikely event you have an obvious issue with a barrel, STOP AND DO NOT ASSEMBLE or modify. Contact Customer Service for warranty replacement.  Barrel is non-returnable if it has been installed, fired or modified from original shipped state.