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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250 for heavier bullets?
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<blockquote data-quote="Bwhittty" data-source="post: 1407059" data-attributes="member: 93103"><p>False alarm. Bad modified case giving false readings from lands to ogive. Making another one as we speak. Interesting you bring up the 53 grain Vmax. I played around with those last weekend. My gun has a 1:9 Hart @ 27" long. I shot a ladder test with Win Brass, CCI BR2 primers, H414 (43-45 in .5 increments). The node was apparent at 43.5. So I loaded from 43-44 in .2 increments. At 43.6 I shot the first (2) in the same hole and then the 3rd shot was pulled out (by-some ******* operating the trigger) to a .304 group size @ 100. Speeds were 3887,3898, 3898. Obviously I was very pleased with this! So now I have a 75 Amax load (chucks and wind) and a 53 vmax load (rats and chucks with little to no wind). Have to get back to you on how far they are jumping <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p></blockquote><p></p>
[QUOTE="Bwhittty, post: 1407059, member: 93103"] False alarm. Bad modified case giving false readings from lands to ogive. Making another one as we speak. Interesting you bring up the 53 grain Vmax. I played around with those last weekend. My gun has a 1:9 Hart @ 27” long. I shot a ladder test with Win Brass, CCI BR2 primers, H414 (43-45 in .5 increments). The node was apparent at 43.5. So I loaded from 43-44 in .2 increments. At 43.6 I shot the first (2) in the same hole and then the 3rd shot was pulled out (by-some ******* operating the trigger) to a .304 group size @ 100. Speeds were 3887,3898, 3898. Obviously I was very pleased with this! So now I have a 75 Amax load (chucks and wind) and a 53 vmax load (rats and chucks with little to no wind). Have to get back to you on how far they are jumping :) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250 for heavier bullets?
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