Tactical Springs (Sprinco) Recoil Spring For Glock 17/22/31

Features: Chrome Silicon Wirestock Heat Treated, Stress Relieved, and Cryogenic Processed post winding Impregnation / Plating with Re-Micronized Molybdenum Disulfide Formulation Color-Coded for Quick Field I.D / Packaged in Hard Plastic Hang Hole Tubes Most Accurate Adherence to Actual Represented Load Tolerances (Weights) of any springs in the Industry Absolutely outrageous extended duty cycle springs Springs: Green - 13lb Blue - 15lb Red - 17lb DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.