MARCK-15 HYDRA VIPERA 5.56 MODULAR PISTOL
5.56 NATO/.223 Rem. cal., GIO, 7 or 7.5 in. barrel, A2 flash hider, uses AR-15 mags., Mil-Spec trigger, pistol buffer tube, quad rail handguard, A2 grip, Mil-Spec safety and internal parts, aluminum MGI QCB upper and loer receiver, MGI® D...