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TR-1 Upgrade Competition Spring Kit (4.3lbs) | Glock Gen 1-4


Competition Spring Kit designed to optimise Glock pistols for sport shooting and competitions.

Lightened striker spring – for sporting and competition use only.

Easy to assemble, they can lighten the trigger pull weight and enhance performance.

Approx. weight of striker spring: 4.3 lbs

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In stock


Developed based on feedback from top competition shooters in Europe.

The Challenge Kit consists of lightweight competition springs :  

  • TR-1 Striker Spring (4.3lbs)
  • TR-1 Soft Trigger Spring
  • TR-1 Firing Pin Safety Spring
Compatible with:

Glock 17 (Gen 1 – 4) / 17C (Gen 1-3) / 17L (Gen 1-3) / 19 (Gen 1 – 3) / 22 (Gen 1 – 3) / 22C (Gen 1-3) / 23 (Gen 4) / 23C (Gen 1-3) / 24 (Gen 1 – 3) / 26 (Gen 1-4) / 27 (Gen 1-3) / 32 (Gen 1-4) / 33 (Gen 1-4) / 34 (Gen 1-4) / 35 (Gen 1-4)


Recommended for competition use only. Please test the springs extensively before use to ensure that the trigger mechanism functions properly.

Installation Instructions:

Additional information




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