The True Precision Recoil Spring Tuning Kit is built for compensated or suppressed Sig Sauer P365 pistols with a 3.1-inch slide. Three spring weights let you tune cycling and recoil for different loads and muzzle devices. The chrome silicon springs come with a stainless steel guide rod, and the kit is made in the USA.
- Fits: Sig Sauer P365, P365 SAS and similar 3.1 in. slide models
- Springs: 15, 17 and 19 lb
- Spring material: Chrome silicon
- Includes billet stainless steel non-captured guide rod
- Made in the USA
- Manufacturer part number: 365STK