The True Precision Recoil Spring Tuning Kit is made for compensated or suppressed Glock 19 Gen 1-3 pistols and aftermarket copies, and is also compatible with Gen 6. Six spring weights let you match cycling to slide weight, ammunition and muzzle device. The chrome silicon springs are rated for more than 20,000 compressions each.
- Fits: Glock 19 Gen 1-3 (also Gen 6) and aftermarket copies
- Springs: 11, 13, 15, 18, 20 and 22 lb
- Spring material: Chrome silicon
- Includes billet stainless steel non-captured guide rod
- Made in the USA
- Manufacturer part number: GLK19STK-3