Roach Custom LLC
SKU: FAOK-WELB2
$8.00 USD
Save $-8.00 USD
Available Now!
Fix Your Leaky PX4 Mags – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!
Struggling with gas leaks in your WE-Tech Bulldog PX4? This complete color-coded O-ring rebuild kit gives you everything you need to restore your PX4 green gas magazine back to peak performance—no guesswork, no hassle.
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Solves common leaks in WE PX4 GBB mags
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Color-coded O-rings make install fast and foolproof
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High-quality NBR rubber handles high-pressure gas reliably
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Includes exploded-view diagram + full video installation guide
Each kit is precisely matched to the WE-Tech PX4 Bulldog green gas magazine platform for consistent seal performance and long-lasting durability.
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.
