Enhanced Recoil Spring is made of high strength spring steel. Its short length design with 2 different tensioned coil zone (140% / 120%) can enhance the efficiency of recoil cycling. Also it can improve the recoil control and make easier handling on blow back cycling. Compatible with Tokyo Marui M&P9 and Glock Series.
Features : Made from High Strength Spring Steel Hard Coating Prevents Corrosion Shorten length with harder coil Improve cycling efficiency Cycling enhancement through 2 different tensioned zones (140% / 120%)
Manufacturer : COWCOW
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