#41 primers??? - The HuntingPA.com Outdoor Community
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post #1 of 5 (permalink) Old 11-22-2016, 03:15 PM Thread Starter
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#41 primers???

Can't find them anywhere. I read you shouldn't use any other because of the free floating firing pin can cause slam fire before the bolt is locked.

I have seen noticeable firing pin marks on the first round chambered and cycled out, and I'm a bit concerned about slam fire. I imagine others that can't find them are using CCI small rifle primers without problems. I even see in my Nosler book it recommends Winchester Small Rifle (WSR) primers in my 5.56 recipie and not CCI #41.

Am I the recipient of bad info? Am I just being paranoid?

I'm will be using them on 135 grain Sierra varminters in my 300 blackout pistol truck gun and 69 grain Match King in my .223 AR

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post #2 of 5 (permalink) Old 11-22-2016, 03:29 PM
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I use mostly CCI 400s. I shoot a lot and have never had a round go off because of a slam fire.

The best way to prevent a slam fire is to feed the round from the mag rather than letting the bolt fly forward with a round in the chamber. If you feed from the mag the bolt has to pick up the round and thus slows down. If you let the bolt fly with the round in the chamber there is nothing slowing the bolt down and the momentum does carry the firing pin forward.
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post #3 of 5 (permalink) Old 11-22-2016, 03:46 PM Thread Starter
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I do feed from the mag. When it locks open, I put in a new mag and hit the mag release (Magpul bad lever) and if I remove the round without firing it, it is dimpled noticeably.
I was a bit suspect of the info because if Nosler would be sued out of existance if it published recommending the WSF and someone blew their face off. I assume the primer was improperly seated.

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post #4 of 5 (permalink) Old 11-22-2016, 05:12 PM
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I've reloaded and shot thousands of .223 through my AR using CCI 400 primers. As long as the primer is not seated high, you won't have any issues.
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post #5 of 5 (permalink) Old 11-23-2016, 12:43 AM
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Quote:
Originally Posted by steve in pa View Post
i've reloaded and shot thousands of .223 through my ar using cci 400 primers. As long as the primer is not seated high, you won't have any issues.

^^this...
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