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9/22/2017 12:11:25 AM
Posted: 11/18/2001 12:18:31 AM EDT
Quick question about my bolt and/or firing pin in my AR. I had to chamber a round earlier (odd noises outside, and wanted to feel safe investigating. It was nothing.) Afterward, I dropped the mag out, and racked the charging handle to remove the chambered round. Upon ejection, I picked up the round, and examined it. I noticed that the primer had a small dent in it, right where the firing pin would hit it if fired. Not a huge dent, or even one that I would liken to a used primer. It's just a small dent. Do I need to worry about this? I'm just curious if I could possibly have something wrong with my bolt assembly. Thanks for the help.

-Gloftoe
Link Posted: 11/18/2001 12:27:00 AM EDT
Since the AR has a 'springless' firing pin, this is normal to have a 'dent' in an unfired primer.

Bushmaster (along with others) make a gauge for measuring the protrusion of the firing pin, if you're that concerned with it.
Link Posted: 11/18/2001 12:29:30 AM EDT
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