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

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 (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