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Rifles, Reloading, Optics, Equipment
Gunsmithing
Changing the internal dimensions of a rifles chamber
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<blockquote data-quote="tobnpr" data-source="post: 2759525" data-attributes="member: 68758"><p>Make up a dummy round with the bullet resulting in the longest CBTO measurement (you said you'll live with the longer jump for anything else) and give it to your smith when he gets back; tell him how much jump you want based on that round.</p><p></p><p>Keep in mind, the 22-.250 is a throat burner- you can smoke one in less than 500 rounds, or stretch to a couple thousand maybe if you keep loads light and don't light it off like a MG. It won't be long until you're chasing that freebore as the throat wears away- so keep that in mind. Depending on how much jump you generally like- you may want to consider seating that bullet a little deeper than you might like initially because that will allow you to seat further out as the throat wears initially, while maintaining the same jump.</p></blockquote><p></p>
[QUOTE="tobnpr, post: 2759525, member: 68758"] Make up a dummy round with the bullet resulting in the longest CBTO measurement (you said you'll live with the longer jump for anything else) and give it to your smith when he gets back; tell him how much jump you want based on that round. Keep in mind, the 22-.250 is a throat burner- you can smoke one in less than 500 rounds, or stretch to a couple thousand maybe if you keep loads light and don't light it off like a MG. It won't be long until you're chasing that freebore as the throat wears away- so keep that in mind. Depending on how much jump you generally like- you may want to consider seating that bullet a little deeper than you might like initially because that will allow you to seat further out as the throat wears initially, while maintaining the same jump. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Changing the internal dimensions of a rifles chamber
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