Have a Saiga IZ-332 and an Arsenal AK-140US muzzle brake (Bulgarian reproduction for 7.62x39, M24x1.5). The brake does not screw all the way back to the detent pin. Isn't it supposed to ?
This rifle came with what looks like a threaded Bulgarian FSB with detent pin. I just had to remove a barrel shroud to get to the threads.
The brake stops right before the pin. It appears to stop when the threads end. I can easily push in the detent pin while screwing on the brake -- the brake still doesn't go any further.
Tried screwing on this M24x1.5 conduit panel nut. Maybe I don't f