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TR-1 Upgrade Competition Spring Kit (4.3lbs) | Glock Gen 5

(1 customer review)


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

SKU: TR-1 1000158/G5 Category: Tags: , ,


Developed based on feedback from top competition shooters in Europe.

The Challenge Kit consists of lightweight competition springs (4.3lbs average):  

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

Glock 17 (Gen 5) / 19 (Gen 5) / 19X / 22 (Gen 5) / 23 (Gen 5) / 26 (Gen 5) / 27 (Gen 5) / 34 (Gen 5) / 45


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

Additional information



1 review for TR-1 Upgrade Competition Spring Kit (4.3lbs) | Glock Gen 5

  1. Joe Van Rooyen

    A must have with the TR-1 trigger upgrade.
    Reduces unnecessary movement on the glocks ,smoother trigger pull.
    Striker pin spring is awsome giving constant strikes on primers.
    Highly recommended

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