Hogue Extreme Aluminum Grip, Fits 1911 Govt, Aluminum, Clear Gloss Anodized Finish 45165 Hogue Extreme Series Aluminum grips are precision machined from solid billet stock Aerospace grade 6061 T6 aluminum. Carefully engineered and sized for ultimate fit" form and function" the Extreme Series grip is perfect for the shooter that wants grip that is both functional and stylish.