The True Precision Recoil Spring Tuning Kit is made for compensated or suppressed Sig Sauer P365 XL and X-Macro pistols with a 3.7-inch slide. Five spring weights let you tune cycling and recoil for different loads and muzzle devices. The chrome silicon springs ride on an included stainless steel guide rod, and the kit is made in the USA.
- Fits: Sig Sauer P365 XL and X-Macro (3.7 in.)
- Springs: 12, 14, 16, 18 and 20 lb
- Spring material: Chrome silicon
- Includes stainless steel non-captured guide rod with screw and bushing
- Made in the USA
- Manufacturer part number: 365XLSTK