ISMI Sig P365 Fuse Recoil Spring

Designed to fit Sig Sauer Models: P365 Fuse.

Restore or fine-tune your Sig Sauer P365 FUSE with a premium ISMI Recoil Spring—engineered for performance, durability, and consistent cycling. Manufactured from certified chrome silicon or stainless spring wire (based on weight selection), ISMI springs are heat-treated, shot-peened, and designed to outperform factory springs in longevity and reliability.

This direct-fit recoil spring is ideal for replacing worn components or customizing your recoil setup. Available in multiple weights to match your specific ammo load, shooting style, or performance needs. Whether you're running factory, +P, or competition loads, ISMI delivers the consistency your FUSE demands.

Key Features:

• Made in the USA by ISMI—trusted by professionals and OEMs.
• Heat-treated and shot-peened for extended service life.
• Available in multiple spring weights (10 lb., 12 lb., 14 lb., & 16 lb.) as well as a convenient Tuner Pack that contains one of each different spring.
• Ideal for recoil tuning and performance upgrades.
• Direct replacement for factory spring—no modifications required.

See our complete line of Sig P365 Fuse 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.