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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
My 338 Sherman Shortmag
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<blockquote data-quote="drgalan" data-source="post: 1474447" data-attributes="member: 104546"><p>Well I finally had a chance to continue testing with W748, Imr 4064, Imr 8208 with the 225 Bulldozer</p><p>IMR 4064 gave 3000' with 61gr and no room to go up. IMR 748 gave 3003' at 63gr and 64gr yielded 3033' but was over pressure. IMR 8208XBR gave a top velocity of 2911 at 59gr Oh and I forgot to mention that IMR 3031 got 2979' at 59gr but was over pressure. </p><p></p><p>I then tested the 250 Berger in the same ADG brass 215 and seated .020" off the lands.</p><p>IMR 4064 gave 2800' with 59gr (60gr was over pressure giving 2863')</p><p>Varget gave a top velocity of 2874' at max pressure burning 62gr.</p><p>So it's looking like Varget will be a front runner as it is one of the most temperature stable powders. </p><p></p><p>I have 240gr Badland Bulldozers on the way and will be testing those next. I figure that I'll be able to squeeze 2850' outta 'em and if that is achieved, then it could be a hard one to beat. Obviously, we have only begun to understand the capability of the little powerhouse and it looks better and better everyday!</p></blockquote><p></p>
[QUOTE="drgalan, post: 1474447, member: 104546"] Well I finally had a chance to continue testing with W748, Imr 4064, Imr 8208 with the 225 Bulldozer IMR 4064 gave 3000' with 61gr and no room to go up. IMR 748 gave 3003' at 63gr and 64gr yielded 3033' but was over pressure. IMR 8208XBR gave a top velocity of 2911 at 59gr Oh and I forgot to mention that IMR 3031 got 2979' at 59gr but was over pressure. I then tested the 250 Berger in the same ADG brass 215 and seated .020" off the lands. IMR 4064 gave 2800' with 59gr (60gr was over pressure giving 2863') Varget gave a top velocity of 2874' at max pressure burning 62gr. So it's looking like Varget will be a front runner as it is one of the most temperature stable powders. I have 240gr Badland Bulldozers on the way and will be testing those next. I figure that I'll be able to squeeze 2850' outta 'em and if that is achieved, then it could be a hard one to beat. Obviously, we have only begun to understand the capability of the little powerhouse and it looks better and better everyday! [/QUOTE]
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My 338 Sherman Shortmag
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