Aids Grip, Keeps Frame Clean

Fills the opening at the bottom of the frame, keeps dirt out; serves as a mag well for fast, positive magazine changes. Snaps into place; provides a convenient location to locate lead weight on competition guns. SP-1 fits standard frame Glock in 9mm/.40 S&W/.357 SIG. SP-2 fits Mini-Glock in the same calibers. Eliminates sharp edge at bottom of grip. SP-3 fits Models 29 and 30, SP-4 fits Model 36. SP-5 fits Model 21 short frame.