mine broke too on my silencer 4 for the x800 series
i contacted the place where i purchased it from (case-mod.com) and they said they had to bring it back to the regional supplier for rma approval (svc.com)
svc.com decided to be as$holes about it and said it was a user error when it obviously is simply due to the fact that they didnt use quality parts...i have never broken anything from overtorqueing it with a small tiny screwdriver intended for electronics
so i had to email them direct and i got a response a couple days later and he said svc.com shoulda rmaed it for me, but if they still wouldnt, i could send it to them direct and they'd do it for me, but it would take a long time.
i then forwarded the email to case-mod.com and they bought it to svc.com and then finally they (svc) replaced it for me after seeing the email
i was pretty pis$ed at the time it took, but it got resolved, so i guess im lucky
i got a brand new one btw and havent even tried to install it again...lol