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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.243Win 55HH How Fast?
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<blockquote data-quote="comfisherman" data-source="post: 2678852" data-attributes="member: 8394"><p>Ok. 4244 is still > 4080. It can be helped by barrel length, maybe a faster than average barrel or.... </p><p></p><p>And he's using varget, that even hogdons data tops out at 4k with unknown barrel properties. 250fps might relate to the extra 3. But the hogdon lead free 55 nosler data is much slower, maybe due to lack of driving bands I dunno. All I know is 4200+ is probably possible but in the mo powda magnum variation.</p></blockquote><p></p>
[QUOTE="comfisherman, post: 2678852, member: 8394"] Ok. 4244 is still > 4080. It can be helped by barrel length, maybe a faster than average barrel or.... And he's using varget, that even hogdons data tops out at 4k with unknown barrel properties. 250fps might relate to the extra 3. But the hogdon lead free 55 nosler data is much slower, maybe due to lack of driving bands I dunno. All I know is 4200+ is probably possible but in the mo powda magnum variation. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.243Win 55HH How Fast?
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