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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel length and powder burn rates?
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<blockquote data-quote="su37" data-source="post: 287574" data-attributes="member: 5541"><p>I personally burn 50 grains of RL25 in a once fired Lapua 243 case necked up to 6.5.</p><p></p><p>I get 2,790 mv behind a 140 in a 22" barrel. Longer target bullets may vary.</p><p></p><p>Works for me.</p><p></p><p></p><p>RR, I think if you call up Chub Eastman who still hangs out at Nosler and Ken Howell</p><p>who wrote the book on ballistics. I believe you will find they agree with John Barsness.</p><p>Two of many.</p><p></p><p>I'm just a dumbclutz still trying to figure it all out.</p></blockquote><p></p>
[QUOTE="su37, post: 287574, member: 5541"] I personally burn 50 grains of RL25 in a once fired Lapua 243 case necked up to 6.5. I get 2,790 mv behind a 140 in a 22" barrel. Longer target bullets may vary. Works for me. RR, I think if you call up Chub Eastman who still hangs out at Nosler and Ken Howell who wrote the book on ballistics. I believe you will find they agree with John Barsness. Two of many. I'm just a dumbclutz still trying to figure it all out. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel length and powder burn rates?
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