ISMI 17lb Recoil Spring for Glock Full Size ONLY

Designed to fit Glock Models: G17, G17L, G20, G21, G22, G24, G31, G34, G35, G37 - Full Size ONLY.

Optimize slide timing and durability on full-size Glock pistols with the ISMI 17 lb. recoil spring from NDZ Performance. This precision, motorsport-grade, replacement engineered for consistent slide velocity and long spring life. Find the best components to upgrade or repair your Glock at NDZ Performance.

Features:

• Full-size tuned: Correct length and force for full-size Glock slides; do not use in compact/subcompact slides.
• Consistent cycling: 17 lb. nominal force helps maintain reliable feeding and ejection with predictable slide velocity.
• Long-lived construction: Chrome-silicon alloy resists relaxation and fatigue far better than standard music-wire springs.
• Engineered for repeatable performance using motorsport-grade materials and processing.

See our complete line of Glock Products here

Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use of safety practices and gear when working on any firearm.