
Lone Wolf Slide Lock Spring M/17, 17L, 20, 21, 21SF, 22, 24, 31, 34, 35, 37
Manufacturer: Lone Wolf Arms
$2.99
Fits M/17,17L,20,21,21SF,22,24,31,34,35,37. Part number 26 on the Glock Schematic.