Fusion Firearms, Pro-Series, 70 Series Forged 7075 Aluminum Alloy 1911 Colt Officers-size frame, with Smooth Front Strap, for officers/Compact Style 1911 models. This is our Pro-Series combat 1911 frame with Undercut trigger guard. The rear of the frame is already cut for a .25 radius to accept a high-ride beavertail grip safety. The magwell is also beveled. Holes are already reamed and grip screw holes tapped. This is the highest of quality, CNC machined from a 7075 Aluminum Alloy forging with all machining and heat treatments complete. Ready for you to build a super fine custom 1911. Made in the USA.