Get the most out of your compensated or suppressed Glock 43, 43X, 48, PSA Micro Dagger, or other similar sub-compact model 43-based platform with this recoil spring tuning kit from True Precision. Built from high-strength chrome-silicon, these springs offer consistent, long-lasting performance rated for 20,000+ compressions each. This kit includes multiple spring weights to help you fine-tune your setup for reliable cycling and reduced recoil with different ammo and muzzle devices.Features :Designed for GLOCK 43, 43X, 48 and Other Similar PistolsSprings Are Made From High-Strength Chrome SiliconIncludes Stainless Steel Billet-Machined Non-Captured Guide RodKit Includes 15-LB, 17-LB, and 19-LB Springs100% Made in the USA