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Drop-in parts give your Glock® a smooth, crisp, light pull that helps promote consistent, match-grade accuracy. Change specific components to improve a particular aspect of the trigger pull, or do a complete upgrade. Fits all Glock® pistols. Precisely calibrated spring weights deliver consistent force through the entire compression/release cycle to give you a light, refined trigger without sacrificing the reliability of your pistol’s Safe Action system. High-stress, aerospace-grade stainless steel spring wire is heat- and cryo-treated for 99.99% consistent energy output, so trigger pull feels the same every time. Trigger Spring has nearly 30% more power than factory spring, yet actually reduces pull by as much as 1 lb. for improved control. Also produces faster trigger reset for quicker follow-up shots. Reduced power Safety Spring reduces friction caused by the firing pin safety, further smoothing the pull. Striker Spring is designed for improved consistency and durability over factory spring. Available in standard factory weight for a 3 to 3½ lb. pull or light model that reduces pull by at least 1 lb. to a consistent 2 to 2½ lb., while preserving reliable primer ignition. Competition Spring Kit contains the trigger spring, firing pin safety spring, and standard power striker spring.