Pearce Grip Extension Plus for Glock Mid/Full Size 9mm +3/40 S&W +2/45 GAP +1, Black - PGGP

This Pearce Grip magazine extension fits Glock mid and full-size models and increases capacity by 3 rounds for 9mm, 2 rounds for .40 S&W and .357 SIG, and 1 round for .45 GAP. The black polymer extension replaces the original floor plate and internal locking plate on high-capacity Glock magazines.