WE SCAR L Open Bolt
 

K I figured out the problem but I don't know what to do. Seems like the mags aren't making a solid connection. Where the gas feeds the nozzle. Seems like it's not making a solid seal. On my M4 it's perfect. But in the scar it's really weak. Anyone know how to fix this?

Bump

You could try shimming the gas router on the mags. I did that with a few of my pistol mags and it def helped.

Shim how?

Here, videos, guides, whatever strikes your fancy.

Yeah I did that but nothing really solid. One video I saw with a pistol mag. Came up with a lot of aeg gearbox shimming lol

The pistol mag video is basically it, all you need is a different sized shim, cut that out of any thin rubbery material you have lying around

I'll give it a whirl

Can shim your mags up in the shell too. Not sure if that will effect your m4 if you share mags though. Helps with the bolt catch too.