9 coil magazine spring for 19,23,26,27,29,30,32,33,38,39
Fits the following LE magazines (Hi-capacity) M/19,23,32.
Fits 10 round M/23,26,29,32.
Fits 9 Round M/27,33.
Fits older G30 magazines originally equipped with 3955 follower.
Part number 34 on the Glock Schematic.