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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Possible head space issues
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<blockquote data-quote="Kevin Cram" data-source="post: 411322" data-attributes="member: 2215"><p>There could be several factors why the rifle won't better. I don't believe headspace would be it. It could be the crown is not cut square to the bore, the bedding is not stress free, or the barrel is not free floated. The rings and bases may have a loose screw, the scope might be bad or even in a bind. The chamber could be out of round, or worst case you got a bum barrel. You pretty much have to diagnose it one by one and see what's wrong.</p><p></p><p> Even if the headspace was a little long once you fire a piece of brass in the chamber the brass will match the chamber ( unless the headspace was very excessive ) Some rifles need to have the shoulder bumped back about .001" - .002" and it will re-chamber perfectly. If you use a Hornady Bullet Comparator Body and Hornady Headspace Bushing Gauge you can measure a fired round from the base to the addendum on the shoulder then re-size just enough to bump the shoulder back a few thousandths by using a body bump die.</p></blockquote><p></p>
[QUOTE="Kevin Cram, post: 411322, member: 2215"] There could be several factors why the rifle won't better. I don't believe headspace would be it. It could be the crown is not cut square to the bore, the bedding is not stress free, or the barrel is not free floated. The rings and bases may have a loose screw, the scope might be bad or even in a bind. The chamber could be out of round, or worst case you got a bum barrel. You pretty much have to diagnose it one by one and see what's wrong. Even if the headspace was a little long once you fire a piece of brass in the chamber the brass will match the chamber ( unless the headspace was very excessive ) Some rifles need to have the shoulder bumped back about .001" - .002" and it will re-chamber perfectly. If you use a Hornady Bullet Comparator Body and Hornady Headspace Bushing Gauge you can measure a fired round from the base to the addendum on the shoulder then re-size just enough to bump the shoulder back a few thousandths by using a body bump die. [/QUOTE]
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Possible head space issues
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