True Precision Recoil Spring Tuning Kit Features The True Precision Recoil Spring Tuning Kit is designed for Glock 19 Gen6 models and aftermarket copies with compatibility also extending to Glock Gen 1 through 3 pistols. This breadth of fitment makes the kit useful across a range of Glock 19 variants a shooter may own or build over time. The kit includes springs rated at 11 13 15 18 20 and 22 pounds giving the user a wide spread of options to tune recoil spring weight for a compensated or suppressed setup. Each spring is manufactured from high strength chrome silicon steel a material chosen specifically for its ability to hold up under repeated compression cycles without losing its properties over time. Also included is a stainless steel billet machined non captured guide rod replacing the factory polymer guide rod with a more rigid precisely manufactured component. True Precision rates these springs for over 20 000 compressions each giving shooters confidence in long term reliability across heavy range use. This kit is especially useful for shooters running varying slide weights different ammunition types or aftermarket muzzle devices since each of these changes can affect how the slide cycles and how much recoil the shooter feels. Made entirely in the USA the True Precision Recoil Spring Tuning Kit is available for sale at GrabAGun for Glock 19 owners looking to dial in their compensated or suppressed setup. True Precision Recoil Spring Tuning Kit Specifications Manufacturer: True Precision Model: Recoil Spring Tuning Kit Compatible Hosts: Glock 19 Color: Black Material: Chrome Silicone Steel Description: For Comp/Supp Available At: GrabAGun