MARCK-15 HYDRA VIPERA .300 BLACKOUT MODULAR PISTOL
.300 AAC Blackout cal., GIO, 7 in. barrel, A2 flash hider, uses AR-15 mags., Mil-Spec trigger, pistol buffer tube, quad rail handguard, A2 grip, Mil-Spec safety, aluminum MGI QCB upper and lower receiver, D-Fender D-Ring, black anodized fin...