BF15 M4 TIER 1 Description
5.56 NATO cal., AR-15 style, GIO, 16 1/2 in. M4 barrel with A2 birdcage flash suppressor, F-Marked A2 front sight post gas block, 30 shot mag., aluminum flat-top A3 upper receiver w/Picatinny rail, Magpul MBUS Gen2 or A.R.M.S. rear flip-up sight, double shield M4 handguard, Magpul (disc. 2013) or Black Forge winter (new 2014) trigger guard, aluminum forged lower receiver w/Black Forge logo, SST, Rogers Super-Stoc with Cam-Lock System or 6-position collapsible stock w/buffer tube, Magpul MOE or U.S. Palm Battle (new 2014) grip, black furniture, Black Forge Niphos coating (new 2014). Disc. 2015.