ISM Full Size 17lb Recoil Spring Fits G17,17L,20,21,22,24,31,34,35,37

ISMI recoil springs are wound from flat wire so they are a direct replacement for your factory supplied springs. Manufactured from certified Aerospace specification materials. All springs are heat treated, shot peened and stress relieved for maximum durability. ISMI employs ISO 9002 quality control standards. This Glock Recoil Spring Includes a 12 month manufactures replacement warranty. Fits Full Size Glock models G17,17L,20,21,22,24,31,34,35,37

The stock full size Glock recoil spring weight is 17lbs