 MK II variations include the "Target" models, which have heavier barrels and adjustable sights, and the "22/45" models, which have a polymer frame with a grip-angle that matches the Colt 1911 rather than the steel frame's Luger P08–like layout.Three barrel types were available.Taper barrels were available in ″, 6″, and ″ lengths, and could be equipped with fixed sights in any length or adjustable sights on 6″ and ″ length barrels.