Tokyo Marui USP Magazine Rebuild Kit – Color-Coded O-Ring Replacement Kit for GBB Pistols

$8.00 USD Save $-8.00 USD

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

Struggling with leaky TM USP magazines? Our complete color-coded O-ring rebuild kit is a reliable, affordable solution for restoring your Tokyo Marui USP green gas magazines to peak performance.

• Fixes common gas leaks in USP GBB mags

• Color-coded O-rings = zero guesswork during install

• Made from durable NBR rubber for high-pressure gas seal
  

• Blown-apart magazine diagram with color-coded O-rings

Each kit is engineered specifically for Tokyo Marui USP Green Gas magazines, making installation simple—even for first-time users.

Compatible GBB Models:

• Tokyo Marui USP

Need support for another mag? Hit up our Contact Us page—we’re expanding our lineup constantly.