Plus 2 Magazine Adapter for Mec-Gar Glock 9mm FS Mag - Black - Mecgar
Add two more rounds to Mec-Gar Full Size Glock Magazines with these new replacement floorplates.

Will only work on the following magazines:
MGG171800A - Mec-Gar Magazine for Glock 17 9mm 18rd. Adds two rounds
MGG171000A - Mec-Gar Magazine for Glock 17 9mm 10rd. Does not add capacity
MGG191800A - Mec-Gar Magazine for Glock 19 9mm 18rd. Adds two rounds

These replacement floorplates sets increase the capacity on select Mec-Gar Glock series of magazines. Each set includes the following:
(1) Polymer Plus 2 magazine extender
(1) Phosphate steel locking plate which is heat treated
(1) Type D music wire spring
(1) High Visibility green polymer follower