Tactical Springs LLC Dual Bolt Extractor Spring Kit

Sprinco's combines advanced materials and processes - chrome silicon wire, deep cryogenic treatment and micronized moly-disulfide coating - to produce extractor springs that outperform and outlast standard components.The AR .308 Cal dual extractor CS spring upgrade kits from Sprinco USA incorporate springs made from heat-treated, cryogenically processed chrome silicon wirestock, enhanced with molybdenum disulfide platingThe XP 5-coil spring provides a greater load capacity compared to OEM springs, thereby removing the necessity for D-Fender rings or CRANE viton O-ringsIt is compatible with all 5.56x45mm BBL lengthsThese springs sustain performance even under extreme duty cycles and temperatures reaching up to 750 deg FThey may be the only extractor springs required for the entire lifespan of your bolt