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497 Members
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Max Online: 191 @ 24/08/10 07:45 PM
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Username: targetshooting
Password: targetshooting
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#547 - 08/07/09 07:20 PM
Re: How to handle Miss Fires?
[Re: Phillie]
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Old Hand
   
Registered: 07/06/09
Posts: 755
Loc: Renwick, RSA Club, Wairau O/D ...
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I Have one more tip for you to consider. Have you checked the head space. To explain, the head space is the space left between the head of the bolt and the face of the chamber,(the bolt end of the barrel) when the bolt is closed. As the rifle gets more and more use, the locking lugs on the bolt handle and their corresponding recesses in the action wear and allow the bolt to move rearwards thus increasing the head space and of interest to you, as the bolt is allowed to move rearwards so does the firing pin and this lessons the stiking effect on the rim of the chambered cartridge, and this can give rise to your problem of unreliable firing of the primer, urgo missfire. You could check the headspace yourself but I would recommend you get a gunsmith familiar with you make of rifle (I presume that its an Anschutz) to check it, someone like Harvey Westland who lived out on the Old West Coast Road down your way the last time I knew. Critical here is the space between the end of firing pin in the fired position and the face of the chamber, if this gap is too large then the pin will not stike the rim efficiently enough to cause the priming to ignite, the depth of the dent in the rim of the cartridge is sometimes a good indicator I do remember Harvey telling me that Anschutz do tend to have a large head space, hence the conditions on my recommendation. Trying another bolt in your rifle for a while might be an indicator of worn locking lugs etc for you, especially if you get reliable firing.
Edited by Grumpy (08/07/09 07:23 PM)
_________________________
Thinks "Nothing But Dots!" Shoot the little buggers.
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