ERGO 1911 Warrior SureGrip Dark Earth. The Ergo Warrior Grip is designed with a duty and competition proven Suregrip feel on a square bottom design. Suregrip models feature an overmolded rubber-like surface for a more positive grip. It prevents fatigue and enhances weapon control. There is no need to be overly tired or cramp up because of a bad grip. Get your Ergo Grip Warrior Grip today Specifications for ERGO 1911 Warrior SureGrip: Manufacturer: ERGO Gun Make: 1911 Platform Material: Rubber Fabric/Material: Polymer/Rubber Design: Square Bottom Design Features of ERGO 1911 Warrior SureGrip Constructed of rigid polymer frame with soft rubber insert molded in providing enhanced weapon control. Duty and competition proven SUREGRIP feel on a square bottom design Package Contents: ERGO 1911 Warrior SureGrip What firearm models does the manufacturer say ERGO 1911 Warrior SureGrip is compatible with? The manufacturer suggests that ERGO 1911 Warrior SureGrip is compatible with Ruger Mark IIERGO 4523-DE: 1911 Warrior SureGrip Dark Earth