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Posted: 11/18/2001 12:18:31 AM EDT
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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 |
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That is absolutely normal due to the free-floating firing pin (which virually all military semi-autos have, such as M1, M14, M1 Carbine, etc.). But it's also why reloaders need to seat primers fully, and why "military" primers are better than normal ones for AR15s (especially better than the super-thin, super-sensitive Federal primers). CCI sells military rifle primers. Both sizes are the same as regular Magnum primers (which ignite ball powder better). The Large Rifle (#34) primers have a thicker primer cup, requiring more force to detonate. The Small Rifle (#41) primers have the anvil set deeper into the primer. -Troy |
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