AKA 100% Enhanced Recoil/Hammer Spring for Hi-capa 5.1/4.3 Design for upgrade your Original Recoil/Hammer Spring Recoil Spring produces stronger & faster blowback feel, Steel Construction Hammer Spring increase the hammer tension resulting higher gas output, i.e. more power fps, Full Metal construction Suit for Hi-capa 5.1/ 4.3
Recoil Spring Length: 127mm
Hammer Sring Length: 40mm Weight: 7.4g
Colour: Silver
Manufacturer: AKA Custom Products
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