FX Fx impact trigger sear

The Sear Roll on the M3??
The only Problem I have with all my M3s... the Geometry..
I have recut them ....to add a 3 degree to the sear... for a cleaner break......
Sear%203deg.jpg

sear%20diagram.jpg
 
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I need to change the sear again, before 20k pellet i have changed 2 times already, the hammer is from the power plenum, do you think it was the hammer, i will try fit the original again lets see if is fix or not.
You aren't explaining what is causing you to believe it's the sear. Have you put a bit of lubrication on the trigger components? Silicon doesn't count as a lubricant.