ProMag Polymer Floor Plates for 9mm (+2) and .40 S&W (+1) Glock Pistols

The ProMagA(R) Polymer Floor Plates for 9mm (+2) and .40 S&W (+1) GlockA(R) Pistols let you easily add extra rounds to your Glock magazines. Featuring injection-molded polymer construction, these floor plates are designed for long-lasting and reliable field use. The floor plate for 9mm Glock pistol magazines adds +2 additional rounds while the floor plate for .40 S&W Glock pistol magazines adds +1 additional round. Even better, these floor plates provide an additional gripping surface for your p