SIG SAUER PM400
5.56 NATO cal., pistol equivalent of the M400 carbine/rifle, GIO, 11 1/2 in. barrel, 30 shot mag., flip-up rear sights, Picatinny flat-top upper, integral ambi QD sling, B5 Systems pistol grip, KeyMod handguard, FDE finish, with or w/o pist...