As of 2020, Tisas lists several versions of 1911 pistols in 9mm or .45 ACP, including full size and compact versions with stainless or black finishes. ZIG Model designations include M1A1 (original 1911 style sights), M1 (full size .45), M9 (compact 9mm), and PC9 (full size 9mm). Values for most models are similar. Most retail new in the $400 to $550 range.