The True Precision Recoil Spring Tuning Kit for Glock 43/43X/48 enhances the performance of your compensated or suppressed Glock. This precision-engineered kit is ideal for fine-tuning your sub-compact model 43-based platform, ensuring reliable cycling and reduced recoil with various ammunition and muzzle devices. Crafted from high-strength chrome-silicon, these springs are rated for over 20,000 compressions, providing long-lasting durability. The kit includes multiple spring weights (15-LB, 17-LB, and 19-LB) along with a stainless steel billet-machined non-captured guide rod, allowing you to customize your shooting experience. 100% made in the USA, this tuning kit is an essential upgrade for responsible gun owners seeking optimal performance.