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Rifles, Reloading, Optics, Equipment
Reloading
Lazzeroni Warbird Click Bang?
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<blockquote data-quote="uncle_motorhead" data-source="post: 366439" data-attributes="member: 13108"><p>I correct myself in the thread above when I said polishing the expander could have made it worse. Polishing the expander ball, depending upon how much, would increase neck tension. This, along with a nice tight crimp, will keep the bullet in place slightly longer, allowing pressure to build, so when it does start moving, it has enough pressure it does not stop when it hits the rifling, causing rapid pressure gains to unstick it. You can get a very similar fix by seating the bullet against the rifling. (not the same but similar) However you still need enough powder. Just tightening the neck is not the cure, it just helps. </p><p> </p><p>I got this info from Hodgdon, when I had a cold temp hangfire problem with lower charges of Ball powder (below 80% full). With small cases they recommended AGAINST a magnum primer to fix it, because when cold it wouldn't really help, but in hot temps, the pressures could jump up to 15,000 psi higher than a regular primer would.</p></blockquote><p></p>
[QUOTE="uncle_motorhead, post: 366439, member: 13108"] I correct myself in the thread above when I said polishing the expander could have made it worse. Polishing the expander ball, depending upon how much, would increase neck tension. This, along with a nice tight crimp, will keep the bullet in place slightly longer, allowing pressure to build, so when it does start moving, it has enough pressure it does not stop when it hits the rifling, causing rapid pressure gains to unstick it. You can get a very similar fix by seating the bullet against the rifling. (not the same but similar) However you still need enough powder. Just tightening the neck is not the cure, it just helps. I got this info from Hodgdon, when I had a cold temp hangfire problem with lower charges of Ball powder (below 80% full). With small cases they recommended AGAINST a magnum primer to fix it, because when cold it wouldn't really help, but in hot temps, the pressures could jump up to 15,000 psi higher than a regular primer would. [/QUOTE]
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Reloading
Lazzeroni Warbird Click Bang?
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