Welcome to Palmetto State Armory!
Palmetto State Armory 16" 5.56 NATO, 1/7, Chrome Moly Vanadium, chrome-lined, mid-length, Heavy profile, MPI and HPT Barrel.
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 issue with a barrel, STOP AND DO NOT ASSEMBLE. Contact Customer Service.