Wolff Recoil Calibration Pack – Extra Power – GLOCK

Price: $ 40.00

SKU: 13140

Start with the highest load rating & work down until the desired slide operation is obtained. For use in Glock, 17 , 17L, 20, 21, 22, 24, 34 & 35.

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  • Glock 17, 20, 21, 22, and 24
    Kit Contains:
  • One each of the following extra power recoil springs: 17, 19, 20, and 22 pounds.
  • Three factory stength striker springs.
  • Factory new production Glock recoil springs are 16 pounds. Early, non-captive versions of the 17, 17L and 19 have recoil springs of 10 pounds.
  • Recoil springs fit over a pistol’s guide rod and control how the pistol’s slide functions.
  • In general, heavy loads need heavy springs and lighter loads need lighter springs. There is no hard and fast rule as to how much “Spring” a pistol needs. Too light a spring and the pistol opens and closes early and hard, increasing the felt reoil and battering the frame. Too heavy a spring and the slide is hard to open and may not cycle completely, jamming the pistol.
  • Shooters who are using +P ammunition or self defense ammunition will likely need heavier recoil springs.
  • Shooters who are using target ammunition may be able to use lighter recoil springs.
  • Installation requires disassembly and reassembly of the slide from the pistol.


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