faawrenchbndr wrote: Mrraley stepped up and sent me a much needed bolt stop after mine broke.
I have a few on back order with Armalite, they are looking at 30-45 days.
Alot of times I find the reason that these break is that people have the upper receivers seperated from the lower and they play with the trigger.
In doing this they dont always protect the hammer from going all the way forward and it hits the bolt stop.
After repeated firings it will crack the bolt stop or even worse, crack the receiver.
The best way to check trigger pull with the upper receive off is to put your thumb over the hammer when it is released so it does not hit the bolt stop with full force... or just do it with the upper on.
As for why the push pad broke... that I have no real idea. Other than like you said, just a flaw in the metal.
Either way, glad you received it and hope everything works.
Normally, no fault in the metals or you would have 100 or 1000's of these so look for the problem in production or at operator fault. "Either way, glad you received it and hope everything works"
Just looked at the crack with a 15x loupe, appears the part had been cracked for some time.
Discoloration in the crack suggests it may have been that way before finishing.
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