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Rifles, Reloading, Optics, Equipment
Reloading
Help with misfires please
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<blockquote data-quote="MagnumManiac" data-source="post: 1001908" data-attributes="member: 10755"><p>Can you please tell me what clearance you think causes cratered primers?</p><p>I have several rifles with differing firing pin diameters and every one has a different amount of clearance, the ONLY rifles that crater primers are new manufacture Remingtons with the bevel in tge firing pin hole. The only other reason the primers crater is from a weak firing pin spring or HOT loads.</p><p>There are a couple of primers that crater due to soft cups, but they're pretty well known by most to avoid in high pressure rounds.</p><p>How does the powder go out the the barrel some and then detonate? </p><p>Powder, whether compressed or not, is consumed within a few inches of the throat, the only reason you got hangfires is because of bad powder choice and/or an insufficient load density with a slow burning powder, the primer has little to do with this unless you're shooting in sub zero temps.</p><p></p><p>To the OP, if your primers are seated high, the harder cup can absorb nearly all of the energy and all that happens is the primer is pushed deeper into the pocket, make sure ALL of your primers are .005" below flush.</p><p></p><p>Cheers.</p><p>gun)</p></blockquote><p></p>
[QUOTE="MagnumManiac, post: 1001908, member: 10755"] Can you please tell me what clearance you think causes cratered primers? I have several rifles with differing firing pin diameters and every one has a different amount of clearance, the ONLY rifles that crater primers are new manufacture Remingtons with the bevel in tge firing pin hole. The only other reason the primers crater is from a weak firing pin spring or HOT loads. There are a couple of primers that crater due to soft cups, but they're pretty well known by most to avoid in high pressure rounds. How does the powder go out the the barrel some and then detonate? Powder, whether compressed or not, is consumed within a few inches of the throat, the only reason you got hangfires is because of bad powder choice and/or an insufficient load density with a slow burning powder, the primer has little to do with this unless you're shooting in sub zero temps. To the OP, if your primers are seated high, the harder cup can absorb nearly all of the energy and all that happens is the primer is pushed deeper into the pocket, make sure ALL of your primers are .005" below flush. Cheers. gun) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Help with misfires please
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