Mec-Gar +2 Magazine Extension for Glock 17 / 19 Pistols

The Mec-Gar +2 Magazine Extension for Glock 17 / 19 Pistols is a replacement floorplate compatible with Mec-Gar Glock 17 and 19 magazines, adding +2 rounds. This extension includes a polymer "Plus-2" magazine extender, a phosphate-heat-treated steel locking plate, a type D music wire spring, and a high-visibility green polymer follower. Compatible with the following magazines ONLY: Mec-Gar Magazine for Glock 17, 9mm 18rd – MGG171800A – Adds 2 rounds, Mec-Gar Magazine for Glock 17, 9mm 10rd -MGG171000A – Does not add capacity, and Mec-Gar Magazine for Glock 19, 9mm 18rd – MGG191800A – Adds 2 rounds.