Roach Custom LLC
SKU: FAOK-WEP31
$8.00 USD
Save $-8.00 USD
Available Now!
Fix Your Leaky Airsoft Mags – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!
Got a leaky WE P38 mag? Our complete O-ring rebuild kit is the easiest way to stop gas leaks and get your GBB pistol back in action.
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Color-coded O-rings = no more guesswork
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Designed for high-pressure gas systems
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Made from tough, durable NBR rubber
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Includes a full install video guide + diagram
Each kit is engineered specifically for WE-Tech P38 green gas magazines, ensuring a perfect fit and reliable seal every time.
Compatible Model:
WE-Tech P38 Green Gas GBB Magazine
Need a different mag supported? Hit up our Contact Us page—we’re always expanding.
Below is our Installation video.
If you have any questions or concerns, please reach out.
