Fits both Glock firing pin safety part number: GLO-4536 G21,30,36,37,38,39 GLO-84 G17,17L,19,20,22,23,24,26,27,29,31,32,33,34,35 Part number 13 on the Glock Schematic.
Fits all Glock 9mm, 40 S&W, 357 Sig and 10mm pistols models G17,17L,19,20,22,23,24,26,27,29,31,32,33,34,35. Part number 14 on the Glock Schematic. Includes spring. Glock Firing Pin safety.