
M-15A4 Carbine
5.56 NATO, 6.8 SPC (mfg. 2009-2013, reintroduced 2016), or 7.62x39mm (mfg. 2009-2013) cal., 16 in. chrome moly threaded barrel, forged flat-top upper with Picatinny rail, gas block with rail, forged lower with tactical two-stage trigger, 6-...