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Moderator |
Simplest thing to do is bring it to the smith that reblued it and have him look at it. Next thing to do would be to look at the misfired primers and see how the indentations are. It sounds like they aren't getting hit hard enough or else maybe the firing pin isn't protruding enough. A trick to check headspace that I have read but haven't tried is to take a factory new round and stick one layer of masking tape over the rim end, the bolt shouldn't close on it. Primers not seated deep enough would be noticeable to you, you seem pretty aware in your comments. I would definately suggest you take the bolt apart and clean it, as I suspect the problem lies in there. | |||
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<Bush baby> |
Sniper Without seeing the rifle and cartridges in question, any speculation as what was wrong would be just that, speculation. You didn�t say how deep the indentations were in the primers, however if the rifle was mine I would first remove the bolt and rotate the handle to the fired position, and check the firing pin protrusion from the bolt face, it should be at least one to one and a half millimetres. If it is less than that, then your problem lies in the bolt itself. If all is correct with the bolt, next is to check the primers, are they used in any other firearm, if not, try them and see what ignition is like. If this is not possible, buy some more � a different brand or at least a different lot No. Next is to check the primer pockets in the cases, primers should seat up against the bottom of the pocket and when seated should be either flush with or slightly below the base of the case. What we know is that in order for a cartridge to fire, the firing pin must crush the priming compound in the primer. Assuming all of the above is in order, and ignition is still erratic, then the only other possibility is that the cartridge is being moved forward in the chamber by the impact of the firing pin. | ||
one of us |
Since you've had problems with factory ammo, one thing I would check first is that the bolt is closing completely. I have seen a few rifles from reputable manufacturers that had a poor bolt handle inletting job. You should be able to slide a business card between the bolt handle and the stock. | |||
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<MFH> |
I had a very similiar problem with my T/C. Sometimes as high as 50% failure rate. I sent loaded rounds to Remington for evaluation and they claimed that the primers were not as deep as factory but actually found no problems. Their suggestion was to use only their primers with their brass. When finally solved, the problem ended up as a weak hammer spring. MFH | ||
<Sniper> |
Thanks for all the replies. After thoroughly saturating the bolt with cleaner and letting it sit over night. I removed the excess liquid and went to the range with a box of factory ammo. Due to time and heat I was only able to fire 8 rounds and all 8 fired perfectly. I ordered a primer pocket uniformer and an impact bullet puller. The next step I am going to take is to pull bullets and dump powder on the misfires, resize, uniform pockets and give it another go. I'll keep ya posted [This message has been edited by Sniper (edited 09-07-2001).] | ||
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