
AIP 120% Enhanced Recoil/Hammer Spring For Hi-capa 5.1/4.3
AIP 120% Recoil & Hammerspring
- Best use in Conjunction with Metal Slide/Outer Barrel + High Flow Blowoff Valve
- Recoil Spring produces stronger & faster blowback feel
- Hammer Spring increase the hammer tension resulting higher gas output, i.e. more power fps