Contains the correctly calibrated springs you need to lower pull weight and improve trigger pull quality of your Glock® pistol without complicated gunsmithing or permanent alterations. Installing this kit will not disable or diminish the effectiveness of the well-proven Glock® Safety System. Designed specifically to meet the needs of competitive shooters; this alteration is not recommended for duty pistols.

SPECS: Steel. Includes one (1) each of the following springs: 4lb. reduced power striker spring, reduced power safety block spring, and extra power trigger spring. Fits all models and calibers of Glock®pistols.