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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Throat erosion and double-based powders.
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<blockquote data-quote="Bart B" data-source="post: 635226" data-attributes="member: 5302"><p>In the late 1960's, I used a .264 Win. Mag. with Norma 139-gr. match bullets atop H870 for long range matches. It shot very accurate but its barrel lasted only 640 rounds.</p><p></p><p>While all sorts of ball powders have a wide-spread following, I don't know of any top level long range competitor that uses them. Extruded powders have a long history of best accuracy in rifle cartridges.</p><p></p><p>PS:</p><p>That 870 powder I used decades ago was a coarse extruded powder. I thought it was "H" 870 but it may have been something else. My memory is playing tricks again.</p></blockquote><p></p>
[QUOTE="Bart B, post: 635226, member: 5302"] In the late 1960's, I used a .264 Win. Mag. with Norma 139-gr. match bullets atop H870 for long range matches. It shot very accurate but its barrel lasted only 640 rounds. While all sorts of ball powders have a wide-spread following, I don't know of any top level long range competitor that uses them. Extruded powders have a long history of best accuracy in rifle cartridges. PS: That 870 powder I used decades ago was a coarse extruded powder. I thought it was "H" 870 but it may have been something else. My memory is playing tricks again. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Throat erosion and double-based powders.
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