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 Developed based on feedback from top competition shooters in Europe. The Challenge Kit consists of 3 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)