WE Bulldog PX4 Magazine Rebuild Kit – Color-Coded O-Ring Replacement Kit for GBB Pistols

Fix Your Leaky PX4 Mags – Fast & EasyFree 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. Solves common leaks in WE PX4 GBB mags Color-coded O-rings make install fast and foolproof High-quality NBR rubber handles high-pressure gas reliably 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: WE-Tech Bulldog PX4 Green Gas Magazine   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.