Signature w/out Backstrap - Backstrap Colt 1911Manufacture ID: 02919These models of Pachmayr's Signature Grips also feature the patented full wrap-around design are also made from rubberspecially formulated for use on semi-automatic pistols but are supplied without backstraps so they can be used on pistols such as the Government .45 models that utilize grip safety mechanisms. They are offered in the same styles as the Pachmayr FullSignature Grips. Checkered Thumb Reduction Combat Sculptured Thumb Reduction Combat and Combat Plus finger groove. Features: - Steel Inserts - Ideal for models with grip safeties - Classic look#02919 Colt 1911 1911A1 & copies Gold Cup MKIV Series80 Delta EliteWarranty: Warranted against manufacturers defects..