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 lower receiver, MGI® D...
.223 Rem./5.56 NATO cal., AR-15 style, GIO, 16 in. barrel, A2 front sight base, M4 profile 6-pos. Mil-Spec stock, MGI modular lower receiver with AR magwell, MGI Quick Change Barrel upper receiver (QCB-D), MGI D-Fender D-Ring, MGI modified ...
7.62x39mm cal., GIO, 16 in. barrel, AK47 magwell, A2 front sight base, M4 6-pos. Mil-Spec stock, QCB-D upper and modular lower receiver, MGI D-Fender D-Ring, black or Muddy Girl (disc.) finish, includes hard-sided lockable pistol case.
7.62x39 cal., GIO, 7 in. barrel, A2 flash hider, uses AK-47 mags. Mil-Spec trigger, pistol buffer tube, quad rail handguard, A2 grip, Mil-Spec safety, aluminum MGI QCB upper and custom machined modular lower receiver, MGI® D-Fender D-Ring,...
9mm Para. cal., direct blowback operation, 7 (mfg. 2015-2019) or 7.5 (new 2020) in. barrel, uses Colt SMG style magazines, aluminum MGI QCB upper receiver, aluminum lower receiver, Mil-Spec trigger, pistol buffer tube, quad rail handguard, ...
.223 Rem./5.56 NATO, .300 AAC Blackout, 6.5 Grendel (new 2015), 6.8 SPC (new 2015), .450 Thumper (new 2015), .25-45 Sharps (new 2016), or .458 SOCOM (new 2018) cal., GIO, 16 in. barrel with low profile gas block, M4 profile Mil-Spec stock, ...
5.56 NATO cal., similar to Marck 15-003 Hydra, except features GPO. Disc. 2016.
.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...
.50 Beowulf cal., GIO, heavy profile barrel, Mil-Spec trigger, M4 profile Mil-Spec stock, picatinny quad rail handguard, A2 grip, aluminum upper and lower receivers, MGI rate and recoil reducing buffer, top Picatinny rail, includes foam pad...
7.62x39mm cal., 16 in. M4 profile barrel, low profile gas block, A2 flash hider, includes enhanced reliability firing pin and bolt, MGI modular lower receiver with AK-47 magwell, MGI Quick Change Barrel upper receiver, MGI D-Fender D-Ring, ...
7.62x39mm cal., 16 in. bull nose barrel, low profile gas block, includes enhanced reliability firing pin and bolt, MGI modular lower receiver with AK-47 magwell, MGI Quick Change Barrel upper receiver, MGI D-Fender D-Ring, M4 profile 6-pos....
7.62x39mm cal., 16 in. barrel, low profile gas block, enhanced bolt and firing pin, MGI D-Fender D-Ring, MGI modular lower receiver with AK-47 magwell, MGI Transforming Handguard upper receiver, M4 profile 6-pos. Mil-Spec stock, includes ha...
5.56 NATO cal., bull nose barrel, standard M4 profile 6-pos. Mil-Spec stock, low profile gas block, MGI modular lower receiver, AR magwell, Quick Change Barrel upper receiver, MGI D-Fender D-Ring, standard carbine handguard, includes transf...
.308 Win. cal., similar to Marck-15-001/003 Hydra, except offered in .308 configuration, takes a modified M14 magazine, includes a rate recoil reducing buffer and 18 in. barrel. Disc. 2014.
9mm Para. cal., 16 in. blowback barrel and 9mm blowback bolt, utilizes Colt style 9mm SMG mags., M4 profile 6-pos. Mil-Spec stock, modular lower receiver with a 9mm SMG magwell, QCB-D upper receiver, black finish. New 2015.
5.45x39 cal., 16 in. barrel, low profile gas block, MGI modular lower receiver, MGI Quick Change Barrel Upper Receiver (QCB-D), modified bolt carrier and firing pin, MGI D-Fender D-Ring, M4 profile 6-pos. Mil-Spec stock, includes hard-sided...
