ZEV created the market for high end GLOCK upgrade parts and continues to offer the most extensive catalogue. From their renown triggers, slides and barrels to the smallest of springs, if you are a serious shooter ZEV has your upgrade. All ZEV Products are proudly made in the USA.
- Extra Power Magazine Spring
- 3-Piece Assembly
- Fits Standard Glock 9mm/.40 Magazines
- Add +5 Capacity on 9mm, Add +4 Capacity on .40 Cal
- Fits 17 round Glock 9mm & .40 Magazines, DOES NOT WORK with 10 round or 15 round magazines.
- Glock Magazine Not Included
Shipping Restrictions: This item is restricted from shipping to California, Colorado (15 Round Limit), Connecticut, Hawaii, Maryland, Massachusetts, New Jersey, New York, Vermont (10 Rd Long Guns, 15 Round Handguns), and Illinois.