Check the listing for details. For Glock GEN 5 ISMI Competition Trigger Spring Plus 25% Extra Power. Color: Black, Condition: New. Listed at 8.99 USD. ISMI Premium Chrome Silicon Competition Trigger Spring Plus 25% Fits ALL Glock GEN 5 Models 17 19 19X 22 23 26 27 34 45 Buy With Confidence we are an Authorized ISMI Top Dealer ! FREE SHIPPING ! Qty 1 25% Extra Power Trigger Spring (Extra power reduces the pull weight) New From ISMI the Plus 25% Extra Power Trigger Spring To help Lighten the Pull weight ! This Drop in spring will help you easily tune your Glock to a Lighter Trigger. Use these springs with any 3.5lb connector and you will have the Best possible trigger on the market today. ISMI Have manufactured Recoil Springs for Glocks for years now. Now their awesome spring technology is available for your trigger and striker internal springs.ISMI Premium Springs are Chrome Silicon which is more superior than traditional music wire springs. These springs have 10x the life of music wire springs, and they hold much better tolerances during compression and cycling. This makes sure the spring function in your firearms is as consistent as possible.This is a great drop in trigger kit is designed to help you fine tune your trigger pull and improves function in competition pistols.With the correct combination of trigger connector and springs a user can decrease a trigger pull to as low as 2.5 to 3.0 lbs on average ISMI Premium Springs Proudly MADE in the USA Accurately calibrated spring weights deliver consistent force through the entire compression and release cycle to give you a light, refined trigger pull without sacrificing the reliability of your pistol’s Safe Action system. Trigger Spring has 25% more power than factory spring, which actually reduces pull by as much as 1 lb. for improved control. This produces faster trigger reset for quicker follow up shots.Please Read Return Policy *We offer a 60 day return policy. *All returns must be new, unused and/or unopened. The product must be in original packaging including all instructions, tags, etc, if applicable. In this case, a refund will be issued less a 20% restocking fee. *Returned merchandise that is either opened, used or missing items will be issued a 50% partial refund. **The retail box cannot be used as a shipping box.*A traceable and insured shipping method is strongly recommended, as we are not responsible for merchandise that has not reached our facility.