Glock Magazine Extension Insert for Ext Floorplate 9mm/.40

Add capacity to your Glock magazines by installing these genuine Glock mag extension kits. Increase your capacity by 2 rounds for 9mm magazines and 1 round for .40 S&W or .357 Sig magazines. Fits Glock 17 19 22 23 31 32 26 27 33 34 35. 
Requires GL7151 to Create Extension

Insert Only