I don't shoot that much. I bought an off the shelf armalite 556 about 20 years ago and it has run flawlessly. This last go round with the bad ejector spring in my 6.8 build project was a wake up to me.

With lots of rough use what is breaking?
I have an older friend who had a bolt break apart in the middle of a fire fight in Vietnam.
What have you guys seen actually break?

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