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Primer Strike Inconsistancy?
 Moderated by: Poacher, DesertMarine
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 Posted: Sat Jan 21st, 2017 08:42 PM
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papajoe222
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I got out to the range today with the intention of having a great time.  The following problem ruined my plans.
Of the thirty rounds I brought, I had fifteen FTF due to light primer strikes. The ones that did fire off either were barely dimpled enough to set the primer off, or the firing pin all but punched a hole through them. Only two of the thirty had what I would consider a 'normal' dimple in the primer.
Any Idea what may be causing the inconsistancy?  My first suspect was the sear, the second, the firing pin spring. This rifle has less than 250 rounds through it.  I don't plan on messing with anything, unless it's something simple that I'd be confident in dealing with. I'd just like to have an idea of what it could be prior to taking the gunsmith's word when he hits me with the bill.



 Posted: Sat Jan 21st, 2017 10:55 PM
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Snuffy
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Did you seat your primer all the way to the bottom of the pockets?

What's the rifle?



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 Posted: Sat Jan 21st, 2017 11:46 PM
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woodsman777



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Howdy pappajoe222,
Knowing the brand of rifle and type of action definitely would help a lot in determining what you got going on
Also the components you used



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 Posted: Sun Jan 22nd, 2017 02:49 AM
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papajoe222
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It's a Savage25 light varminter in .223 (bolt action) The loads were the same I've been using for the last month or so:
Hornady brass TTL 1.750
CCI small rifle 400 primers
24.5gr H4895
Barnes Match Burner 69gr HP
OAL 2.265
As I said, these are the same components using the same equipment, but as evidenced, the primer strikes vary in force. The first thing I suspected were the hand loads, but factory ammo had the same results.



 Posted: Sun Jan 22nd, 2017 03:07 AM
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Rockydog



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How cold was it today? I'm thinking gummed up firing pin or firing pin spring. If factory ammo was the same it about has to be a gun issue.



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 Posted: Sun Jan 22nd, 2017 12:02 PM
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olyeller
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Rockydog wrote: How cold was it today? I'm thinking gummed up firing pin or firing pin spring. If factory ammo was the same it about has to be a gun issue.
What he ^ said



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 Posted: Sun Jan 22nd, 2017 01:58 PM
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swampshooter

 

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Degrease your bolt and try it again.



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 Posted: Sun Jan 22nd, 2017 02:48 PM
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papajoe222
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Thanks everyone. It was 58 out there yesterday, so I eliminated that as a factor as for my previous outing it was 31. I removed the bolt and found the problem, although it wasn't with the bolt. Apparently the last time I cleaned it, a small piece of cotton fro a patch got caught on the part of the trigger assembly that trips the firing pin. Sometimes it would not get in the way and other times, when it did,it would cushion the movement.
What are the odds of that happening? I'm just thankful that it was something that didn't adversely affect safety.
Thanks again.



 Posted: Mon Jan 23rd, 2017 04:07 AM
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olyeller
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Great news:thumbs::thumbs:



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