.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, modular lower receiver with AR magwell, QCB-D upper receiver, MGI D-Fender D-Ring, black or Muddy Girl (disc.) finish, includes hard-sided lockable pistol case.
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 transforming handguard and hard-sided lockable pistol case. New 2018.