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Rifles, Reloading, Optics, Equipment
Reloading
Primer Issue
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<blockquote data-quote="nksmfamjp" data-source="post: 2549649" data-attributes="member: 1951"><p>In my post, I didn't really ask what they were set to, I was looking to see results. Things like lube used, case coating, relative hardness greatly impact case sizing results. Then, it is relatively easy to over power a case into the chamber, but this initial compression plus firing expansion show me high bolt lift and difficult extraction where there really is none, if it were sized right. Can a primer affect this? Well, yes. Some primers are 2-3000 psi hotter. If you are shooting a 64000psi load and the primer makes it 67000psi and it is fitting tight and the nickel doesn't grab the chamber as well as brass due to surface hardness…..you are going to have an over pressure load leaving even higher pressure signs.</p><p></p><p>Last, you were tapping out, but couldn't you open the bolt and get the primary extraction cam to pull the case free?</p></blockquote><p></p>
[QUOTE="nksmfamjp, post: 2549649, member: 1951"] In my post, I didn’t really ask what they were set to, I was looking to see results. Things like lube used, case coating, relative hardness greatly impact case sizing results. Then, it is relatively easy to over power a case into the chamber, but this initial compression plus firing expansion show me high bolt lift and difficult extraction where there really is none, if it were sized right. Can a primer affect this? Well, yes. Some primers are 2-3000 psi hotter. If you are shooting a 64000psi load and the primer makes it 67000psi and it is fitting tight and the nickel doesn’t grab the chamber as well as brass due to surface hardness…..you are going to have an over pressure load leaving even higher pressure signs. Last, you were tapping out, but couldn’t you open the bolt and get the primary extraction cam to pull the case free? [/QUOTE]
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Reloading
Primer Issue
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