Pachmayr Signature Grip w/ No Back Straps for Colt Officer's Model CO-45. The back strap adds gripping power but may make long-time shooters uncomfortable in the pistol grip. Pachmayr has been praised for their gun grips for 1911 pistols and shooters young and old appreciate the gripping comfort and controllability along with personalization that the Pachmayr Signature 1911 Pistol Grips provide. Specifications for Pachmayr Signature 1911 Pistol Grips: Manufacturer: Pachmayr Color: Black Gun Make: Colt Condition: New Fabric/Material: Rubber Features of Pachmayr Signature Grips: Have Pachmayr's patented full wrap-around design Made from rubber specially formulated for use on semi-automatic pistols Can be used on pistols such as the Government .45 models that utilize grip safety mechanisms Package Contents: Pachmayr Signature 1911 Pistol Grips What firearm models does the manufacturer say Pachmayr Signature 1911 Pistol Grips is compatible with? The manufacturer says that Pachmayr Signature 1911 Pistol Grips is compatible with Colt 1911 Officer Colt 1911 1911 Colt 1911 Combat CommanderPachmayr Signature Grip w/ No Back Straps for Colt Officer's Model CO-45 02545