ISMI 11lb 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.

Precision recoil tuning for full-size Glock pistol from ISMI springs available at NDZ Performance. This 11 lb. recoil spring is a competition-grade replacement engineered for consistent slide velocity, fast follow-ups, and long service life; designed specifically for full-size Glock assemblies. Find the best components to upgrade or repair your Glock with high quality components from ISMI and NDZ Performance.

Features:

• Optimized for full-size slides: Correct length and force for full-size slide dynamics; improves cycling consistency vs worn OEM springs.
• Balanced performance: 11 lb. nominal force provides a responsive slide return without overly aggressive slide velocity on full-size pistols.
• Long life & stable tolerances: Engineered to hold force and geometry over many cycles.
• Precision wound chrome-silicon recoil spring, processed for long service life.

See our complete line of Glock Gen 1-4 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.