Roach Custom

Welcome to Roach Custom LLC – your go-to source for fixing leaky gas mags the right way.
We specialize in precision O-ring rebuild kits for airsoft GBB pistols, rifles, and SMGs.
On this channel, you’ll find quick, no-BS videos showing you how to replace O-rings, stop gas leaks, and keep your mags running reliably.

Subscribe for guides, tips, and breakdowns of the most common gas blowback magazine issues — all backed by real-world testing and field use.