Product Description The ZEV Technologies Starter Spring Kit - Pro is designed to improve your Glock trigger feel by delivering a lighter, smoother pull and a consistent, positive reset. This professional kit pairs ZEV&&';;s popular competition spring components with the ZEV Pro Connector to help reduce trigger pull weight while maintaining the reliability and safety expected from your pistol. Product Highlights Enhances Glock trigger performance with a lighter, smoother pull and positive reset feel Includes the ZEV Pro Connector engineered for consistent reset and reduced pull weight Competition spring kit components include a heavy trigger spring and reduced power firing pin springs Designed to improve trigger feel without sacrificing reliability or safety Compatible with a broad range of Glock calibers for versatile use Specs Brand: ZEV TECHNOLOGIES Product Type: Starter Spring Kit (Pro) Compatibility: Fits Glock models Included Components: Heavy trigger spring; reduced power firing pin spring; reduced power firing pin safety spring; ZEV Pro Connector Calibers (per manufacturer listing): 9mm, 10mm, .380, .40, .45 Auto, .45 GAP, .357 Color/Finish: Silver UPC: 811338030962 Manufacturer Part Number: ZEVSPRSTARTKITPRO Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.