Roach Custom LLC
$8.00 USD
Save $-8.00 USD
Available Now!
Fix Your Leaky SIG M17/M18 Airsoft Mags – Fast & Easy
Free U.S. Shipping | Buy 2 Get 1 Free on All O-Ring Kits!
Struggling with leaky SIG GBB magazines? Our complete color-coded O-ring rebuild kit is the fast, affordable solution to restore your SIG AIR / ProForce M17 and M18 green gas magazines to peak performance.
-
Fixes common gas leaks in SIG M17/M18 GBB mags
-
Color-coded O-rings = no guesswork during install
-
Made from high-durability NBR rubber for high-pressure gas seal
-
Includes step-by-step video + diagram for easy DIY repair
Each kit is precisely matched to the magazines listed, ensuring a smooth, hassle-free installation—perfect even if it's your first time doing a rebuild.
Compatible Model(s):
SIG AIR / SIG ProForce M17
SIG AIR / SIG ProForce M18
Need support for another mag? Hit our Contact Us page—we’re expanding our lineup constantly.
