Eliminates the sharp profile at the rear of the grip that can “print” when carrying a concealed 1911 Auto. Reduces bulk without reducing magazine capacity or performance. Removes nearly ½" of material from the butt while maintaining correct grip position. Will require modification of grip panels. Choose from Smooth, Checkered (25 lpi), Snakeskin, Chainlink, or Chainlink II patterns. Installation Jig gives precise location of mainspring hole. Mfg: Ed Brown SPECS: Steel, in-the-white (blue), or stainless steel (SS). Installation Jig includes instructions.