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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Obturation--Jim Boatright
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<blockquote data-quote="AZShooter" data-source="post: 1533412" data-attributes="member: 5219"><p>Read it. The copper bullet portion of the paper seems like it is leaning towards someone's design with drilled bases. Is there someone making this style of copper bullets?</p><p></p><p>In my estimation paper explains why some barrels would work with the original X bullets and some wouldn't. What isn't addressed is the gilding metal bullets like the E tip. That would most likely require another paper. </p><p></p><p>Found it most interesting the button rifled barrels are prestressed and had less yield. Now wondering if a heat treatment of a special alloy steel would also yield less expansion of barrel OD allowing better obturation too. Is this the next level of perfection the cut rifling manufacturers could venture into?</p><p></p><p>Interesting read.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1533412, member: 5219"] Read it. The copper bullet portion of the paper seems like it is leaning towards someone's design with drilled bases. Is there someone making this style of copper bullets? In my estimation paper explains why some barrels would work with the original X bullets and some wouldn't. What isn't addressed is the gilding metal bullets like the E tip. That would most likely require another paper. Found it most interesting the button rifled barrels are prestressed and had less yield. Now wondering if a heat treatment of a special alloy steel would also yield less expansion of barrel OD allowing better obturation too. Is this the next level of perfection the cut rifling manufacturers could venture into? Interesting read. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bullet Obturation--Jim Boatright
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