Roach Custom LLC
SKU: FAOK-TMHC1
$8.00 USD
Save $-8.00 USD
Available Now!
Fix Your Leaky Hi-Capa Airsoft Mags – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!
Struggling with leaky Hi-Capa magazines? Our complete color-coded O-ring rebuild kit is a reliable, affordable solution for restoring your Tokyo Marui Hi-Capa green gas magazines to peak performance.
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Fixes common gas leaks in Hi-Capa GBB mags
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Color-coded O-rings = zero guesswork during install
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Made from durable NBR rubber for high-pressure gas seal
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Includes step-by-step video + diagram for easy DIY repair
Each kit is engineered specifically for Tokyo Marui Hi-Capa series Green Gas magazines, making installation simple—even for first-time users.
Compatible GBB Models:
- Tokyo Marui Hi-Capa 4.3 / 5.1 and similar variants
Need support for another mag? Hit up our Contact Us page—we’re expanding our lineup constantly.
Below is our Installation video.
If you have any questions or concerns, please reach out.
