Roach Custom LLC
SKU: FAOK-WEM71
$8.00 USD
Save $-8.00 USD
Available Now!
Fix Your Leaky M712 Airsoft Mag – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!
Struggling with gas leaks in your WE-Tech M712 magazine? This color-coded O-ring rebuild kit provides an easy and affordable way to restore performance and stop leaks for good.
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Fixes common gas leaks in WE M712 GBB magazines
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Color-coded O-rings = no guesswork during install
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Made from tough NBR rubber to handle green gas pressure
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Includes step-by-step install video and detailed diagram
Each kit is precision-engineered for the WE-Tech M712 green gas blowback magazine, making repairs straightforward—even for first-time users.
Compatible GBB Models:
Looking for another kit? Check our full catalog or visit the Contact Us page to request support for your mag.
Below is our Installation video.
If you have any questions or concerns, please reach out.
