WE Hi-Capa Magazine Rebuild Kit – Color-Coded O-Ring Replacement Kit for GBB Pistols

$8.00 USD Save $-8.00 USD

Fix Your Leaky Hi-Capa Mags – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!

Leaking gas from your Hi-Capa magazine? This complete color-coded O-ring rebuild kit is designed to restore your WE-Tech Hi-Capa green gas magazine to full function with a quick, affordable repair.

• Fixes common gas leaks in Hi-Capa GBB mags

• Color-coded O-rings = no guesswork during install

• Durable NBR rubber ensures tight, high-pressure gas seals

• Step-by-step video and diagram included for easy DIY repair

Each kit is custom-engineered for the WE Hi-Capa mag to make install simple—even for beginners.

Compatible GBB Models:

• WE-Tech Hi-Capa 4.3/5.1 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.