Select Shooting Supplies


CZ 75/85/SP01 & Shadow 2 Main/Hammer Spring Calibration Kit

CZ Custom

CZ Custom
All CZ Models (Except P10c & Rami)
Main Spring Calibration Kit

Kit contains main / hammer springs from 10lbs to 16lbs these springs can be used adjust the double-action trigger weight.

CAUTION: If the pistol is to be used in critical situations such as law enforcement or self-defence. Reduction of the hammer spring strength may compromise the reliability of the firearm.

Our testing has shown the 13lb mainspring in combination with a CZC extended firing pin and CZC 2075 Rami firing pin spring will ignite the primers in the factory ammunition that CZ Custom uses. Given variables in ammunition, primers, reloading techniques your results may vary.
CZ Custom & Select Shooting Supplies are not responsible for your results.

Kit Contains
10LB, 11LB, 12LB, 13LB, 14LB, 15LB and 16LB Springs

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Welcome to Select Shooting Supplies, your reliable source for quality shooting supplies. Based in the region of Waterloo just West of Toronto we are proud to represent some of the best products available in the market today.