The LSI “OUTLAW” metal grip kit includes a mainspring housing, beavertail and a tapped mag-release. The OUTLAW is machined from a solid piece of 17-4 Stainless Steel. Manufactured 100% in the U.S.A. The grip is designed to fit 2011 style frames and all grips should be installed by a professional gunsmith. With the design and double undercut of the OUTLAW, it offers the best contour on a metal grip compared to others on the market.