The KNS AK/Galil Reduced-Power Recoil Spring provides 15% recoil reduction for enhanced shooting control and comfort on AK platform rifles.KNS Reduced-Power AK Recoil Spring15% recoil reduction for improved controlCompatible with AKM & Galil-pattern firearmsHelps low-energy guns cycle consistentlyMay help cycle subsonic ammunition in many casesSimple & tool-less installationCompletely reversible to factory conditionPerfect for shooters looking to reduce felt recoil while maintaining reliable cycling this spring works with KNS AK Adjustable Gas Pistons to give you precise control over energy input and firearm performance.