Roach Custom LLC
SKU: FAOK-TMPX1
$8.00 USD
Save $-8.00 USD
Available Now!
Fix Your Leaky PX4 Airsoft Mags – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!
Struggling with leaky PX4 magazines? Our complete color-coded O-ring rebuild kit is a reliable, affordable solution for restoring your Tokyo Marui PX4 green gas magazines to peak performance.
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Fixes common gas leaks in PX4 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 PX4 series Green Gas magazines, making installation simple—even for first-time users.
Compatible GBB Models:
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.
