BF15 M4 TIER 2 Description
5.56 NATO or 5.45x39mm (disc. 2014) cal., AR-15 style, GIO, 16 1/2 in. M4 barrel with A2 birdcage flash hider, F-Marked A2 front sight post gas block, aluminum flat-top A3 upper receiver with Mil-Spec 1913 Picatinny rail system featuring M4 feed ramps, aluminum forged lower receiver with Black Forge logo, SST, Magpul Industries MBUS Gen 2 or A.R.M.S. rear flip-up sight, double heat shield M4 handguard, 6-pos. collapsible stock with Mil-Spec size buffer tube, standard M4 furniture and manganese phosphate BCG finish, black, Kryptek Typhon or Urban Red camo (new 2014) finish. Disc. 2015.