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Rifles, Reloading, Optics, Equipment
Reloading
Flatning Primers and Blowing out Primers
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<blockquote data-quote="Trickymissfit" data-source="post: 458721" data-attributes="member: 25383"><p>I don't think the chamber or excessive headspace is in the picture here. If anything, I'd suspect the chamber is cut short, rather than long. A good and simple test is to simply shoot a few factory rounds thru the barrel. You'll if something's wrong when you close the bolt (if things are too short). The easiest way to measure the overall head space is from a once fired case, and compair that to the specs on the case. And easy way is to simply take a piece of aluminum that's about .56" or greater, and drill and ream a hole about 9mm in the I.D. (size isn't critical as long it's in that area). Face it off square at both ends somewhere around 3/4". Use this to go over the neck & measure with a dial caliper. Now measure a factory loaded round. They should both be within a few thousandths of an inch. Of course you can also simply drop by a bearing outlet store and pick up an inner race close to these numbers. It will be square, and can be had for about $5.</p><p> </p><p> Also, I think I'd do about five or six rounds with a generic 50 grain bullet with about 39.0 grains of H380. The 3031 load works in every savage I've been around, but if the chamber is small I think I'd drop back about three grains and see what happens. Does sound like an over pressure spike to me, but how and why is the question.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 458721, member: 25383"] I don't think the chamber or excessive headspace is in the picture here. If anything, I'd suspect the chamber is cut short, rather than long. A good and simple test is to simply shoot a few factory rounds thru the barrel. You'll if something's wrong when you close the bolt (if things are too short). The easiest way to measure the overall head space is from a once fired case, and compair that to the specs on the case. And easy way is to simply take a piece of aluminum that's about .56" or greater, and drill and ream a hole about 9mm in the I.D. (size isn't critical as long it's in that area). Face it off square at both ends somewhere around 3/4". Use this to go over the neck & measure with a dial caliper. Now measure a factory loaded round. They should both be within a few thousandths of an inch. Of course you can also simply drop by a bearing outlet store and pick up an inner race close to these numbers. It will be square, and can be had for about $5. Also, I think I'd do about five or six rounds with a generic 50 grain bullet with about 39.0 grains of H380. The 3031 load works in every savage I've been around, but if the chamber is small I think I'd drop back about three grains and see what happens. Does sound like an over pressure spike to me, but how and why is the question. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Flatning Primers and Blowing out Primers
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