ZEV Technologies

Not recommended for any caliber above 9mm.

ISMI Recoil Spring, 13 lb

Flat coil, factory style recoil rod spring. 15 lb. Most commonly used in 9mm, .40 and .357 model glocks dictated on the Tech Specs. Best use all around for recoil management in most Glock pistols...

This recoil spring is recommended when using reduced power ammunition; ask one of our customer service representatives for more information about whether reduced power springs are right for...

Flat coil, factory style recoil rod spring. 17 lb.Technical Specs Most commonly used in 9mm, .40 and 357 model Glock's Best used for recoil management in most Glock pistols with standard ammunition...

This is the recommended recoil spring for OZ9C pistols. Compatibility Glock 19 (1st - 3rd Gen) Glock 19C (1st - 3rd Gen) OZ9 CompactSpecsWeight - 0.3 oz