DealBarrel: 16" 416R Stainless Steel barrel, chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a Mid-length gas system. The barrel is finished with a .750" diameter low-profile gas block, PSA 13.5" Hex Full Picatinny M-Lok Free Float Rail and an A2 flash hider. from Palmetto State Armory (Product 51655155245) |