AIP Enhanced Recoil Spring And Shim

– Enhanced recoil spring
– Help the slide reset faster after every shot allowing for a faster rate of fire
– Suitable for Hi-Capa 5.1 / 4.3 Series Airsoft Gas Blow Black GBB Pistol
– As always, upgrading GBB require necessary skill & technique, consult expertise if needed

Major Color : Black
Built Material : Metal