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Rifles, Reloading, Optics, Equipment
Reloading
85 gr HPBT Sierra / 243 Win 1 in 10 twist / Coues Deer Load
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<blockquote data-quote="PowellSixO" data-source="post: 1205399" data-attributes="member: 66495"><p>I ran through a bunch of my different manuals, searched through loaddata, and never found an exact answer to my question. The closest I got was for IMR4350. With all the reading I did, I got a lot of conflicting information. Some would say 40.5 was the max load for an 85 gr bullet using H4350. Some would say 45.5 gr was the max load for an 85 gr bullet using the H4350. So I started studying the different bullets listed, and believe I've found the reason for the difference in the max loads listed. The bullets listed with the lower max load, were the bullets that were all copper. The ones listed with the higher max load, where copper jacketed with lead cores. This makes sense to me now. From the books I've read, they say that all copper bullets create more pressure than the lead core bullets. So it would make sense that the max load would be lower. Does this sound right? </p><p></p><p>So after all this I believe I'm going to load up some loads and try and make it to the range one night this week. I'm going to start at 40gr and make 3 loads for each weight, stepping the powder charge up .5 gr at a time until I reach 45.5 gr. Fingers crossed I'll find a winner. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" /></p></blockquote><p></p>
[QUOTE="PowellSixO, post: 1205399, member: 66495"] I ran through a bunch of my different manuals, searched through loaddata, and never found an exact answer to my question. The closest I got was for IMR4350. With all the reading I did, I got a lot of conflicting information. Some would say 40.5 was the max load for an 85 gr bullet using H4350. Some would say 45.5 gr was the max load for an 85 gr bullet using the H4350. So I started studying the different bullets listed, and believe I've found the reason for the difference in the max loads listed. The bullets listed with the lower max load, were the bullets that were all copper. The ones listed with the higher max load, where copper jacketed with lead cores. This makes sense to me now. From the books I've read, they say that all copper bullets create more pressure than the lead core bullets. So it would make sense that the max load would be lower. Does this sound right? So after all this I believe I'm going to load up some loads and try and make it to the range one night this week. I'm going to start at 40gr and make 3 loads for each weight, stepping the powder charge up .5 gr at a time until I reach 45.5 gr. Fingers crossed I'll find a winner. :D [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
85 gr HPBT Sierra / 243 Win 1 in 10 twist / Coues Deer Load
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