MI M4 16 in. Basic Rifle MCTAR-17G2 Handguard
5.56 NATO cal., GIO, carbine length gas system, 16 in. M4 barrel, A2 flash hider, A2 front sight gas block, Mil-Spec M4 buttstock, MCTAR-17G2 Picatinny handguard, A2 grip, forged aluminum receivers (flat-top upper), Mil-Spec charging handle...