AIP 140% Enhanced Recoil/Hammer Spring For Hi-capa 5.1/4.3 #AIP031Suitable for Marui Hi Capa 5. 1 4. 3 Series Airsoft Gas Blow Black GBB Pistol 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 As always, upgrading GBB require necessary skill & technique, consult expertise if needed Color : Chrome Material : Metal Item# AIP031

Clear Lenses & Smoke Lenses & Yellow Lenses

Add extra Clank & Clink during each cycling

- NC Milled Aluminum Slide with S-marking

01mm Inner Barrel

- 2014 New US Version

Color: Silver

Item# GM0264

Material: Steel

Hop Up Adjustment Wheel for HI-CAPA

- Firing pin and sear included

‧Comes with blast diffuser and 4 prong flash hider

- For TM Tokyo Marui G-series