ZEV®

ISMI Recoil Spring 17 Lbs - 9mm/40/357 Glock Models - Best used for recoil management in most Glock pistols with standard ammunition - 124gr.- 145gr (9mm) and any extra power ammunition loading -...

ISMI Recoil Spring 15 Lbs - 9mm/40/357 Model Glocks - Flat coil, factory style recoil rod spring - Most commonly used in 9mm, .40 and .357 model Glocks dictated on the Tech Specs - Best use all...

ISMI Recoil Spring 13 Lbs recoil spring - Stainless steel