Design for Hi-Capa 4.3 / 5.1 Series Airsoft Gas Blow Back Pistol. Enhanced Recoil Spring and Shim. Help the slide reset faster after every shot allowing for a faster rate of fire. Package include 1 x Recoil Spring and 1 x Shim. Replace the standard Spring and Shim of airsoft pistol.
Spring Lenght : 16mm Shim Lenght : 15mm Major Color : Black Weight with Package: 9g Manufacturer : AIP
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