PROARMS ARMORY

5.56 NATO cal., GPO, 16 3/4 or 18 in. Lothar Walther barrel, 5, 10, 20, or 30 shot mag., folding MBUS sights, telescopic 6-position collapsible M4 or A2 stock, ergonomic beavertail pistol grip, aluminum alloy frame and upper receiver made o...

.223 Rem. or 7.62x39mm cal., GPO, AR-15 style, 16 3/4 in. barrel, A2 muzzle brake, 30 shot mag., folding MBUS, M4 collapsible stock, A2 grip, 4 rail or KeyMod handguard with hex wrench, black finish. Mfg. 2016-2018.