DPMS 16″ 5.56 13.5″ M-Lok B5 Bravo Rifle – Product Overview Barrel:Constructed from chrome-moly vanadium steel and chambered in 5.56 NATO, this A2-profile barrel features a 1:8 twist rate, M4 barrel extension, and a mid-length gas system for balanced performance. It is paired with a 13.5” DPMS M-Lok free-float handguard, low-profile gas block, and finished…