64131 Grip Force GEN 123 Adapter Black The GRIP FORCE GEN 123 ADAPTER was developed specifically for GLOCK GEN 1, GEN 2, and GEN 3 series of pistols. It eliminates the drawbacks associated with permanent modifications to your factory pistol. The GRIP FORCE GEN 123 ADAPTER mates completely to the back strap of the GLOCK frame, permitting the shooter’s hand to conform to the frame in a more secure manner. This offers more control and allows the shooter to index the pistol on target more efficiently. 64132 Grip Force GEN 4 Adapter Black The GEN 4 GRIP FORCE ADAPTER was specifically developed to fit GLOCK GEN 4 pistol in its base "short frame" configuratio Mfg: Grip Force, Llc