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Rifles, Reloading, Optics, Equipment
Gunsmithing
help trouble shooting chamber issue
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<blockquote data-quote="JOEY55" data-source="post: 1521383" data-attributes="member: 51094"><p>Hi the marks on the case are in different positions so it is impossible to be a chamber issue, a chip in the reamer flute will be consistent on every case, cycle some dummy loads through the magazine and into the chamber and extract you will probably find the same marks. <u>With a Rem 700 it could be a primary extraction problem with the action, if the bolt handle comes all the way up and doesn't pull the case out from the chamber it's an action issue (primary extraction) If you can lift the bolt handle up and the extractor slips off the rim ripping some brass, your primary extraction is OK then you have a stuck case issue.</u> On some of your cases the marks seem to have a fine lip on them which has been flattened after firing that shows that the mark was on the case before firing, and being so small would not cause the sticking problem. The most important thing is to find the exact problem before you can fix it, jumping to random fixes usually just wastes time and money and mostly creates a bigger problem. If your action checks out OK, and it is a stuck case issue, you have to "read" your brass to find the problem, check for pressure signs, alignment, case length, case head expansion and so on. Pressure is usually the problem especially in large capacity cases, load density is a problem that has serious consequences that affects your peak pressure and can sometimes cause secondary affect problems. First thing to do is to fire a factory cartridge if it doesn't stick it's your load and not the rifle at fault. If you have to take your rifle to a gunsmith ask them check it and give you a definite answer for the problem, many gunsmith's just do everything hoping to fix a problem, guessing and I think it's this or it may be that, are not answers to a problem.</p></blockquote><p></p>
[QUOTE="JOEY55, post: 1521383, member: 51094"] Hi the marks on the case are in different positions so it is impossible to be a chamber issue, a chip in the reamer flute will be consistent on every case, cycle some dummy loads through the magazine and into the chamber and extract you will probably find the same marks. [U]With a Rem 700 it could be a primary extraction problem with the action, if the bolt handle comes all the way up and doesn't pull the case out from the chamber it's an action issue (primary extraction) If you can lift the bolt handle up and the extractor slips off the rim ripping some brass, your primary extraction is OK then you have a stuck case issue.[/U] On some of your cases the marks seem to have a fine lip on them which has been flattened after firing that shows that the mark was on the case before firing, and being so small would not cause the sticking problem. The most important thing is to find the exact problem before you can fix it, jumping to random fixes usually just wastes time and money and mostly creates a bigger problem. If your action checks out OK, and it is a stuck case issue, you have to "read" your brass to find the problem, check for pressure signs, alignment, case length, case head expansion and so on. Pressure is usually the problem especially in large capacity cases, load density is a problem that has serious consequences that affects your peak pressure and can sometimes cause secondary affect problems. First thing to do is to fire a factory cartridge if it doesn't stick it's your load and not the rifle at fault. If you have to take your rifle to a gunsmith ask them check it and give you a definite answer for the problem, many gunsmith's just do everything hoping to fix a problem, guessing and I think it's this or it may be that, are not answers to a problem. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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help trouble shooting chamber issue
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