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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Sierra Bullets New .284 183gr MK
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<blockquote data-quote="scottyd2506" data-source="post: 1199400" data-attributes="member: 19778"><p>how much more powder do you use for the 183's vs 195"s ?? reason i'm asking is I have loads for my 284 w 195's and would like a ballpark figure to max out at when I work up.</p><p> I use 55.0 H4831 for the 180 Hybrids for a easy load and 2830 fps 30 inch 8.0 twist Krieger and 52.0 for same powder w 195's at 2600 fps (I was at 53.5 w 195's@ 2720 fps but brass was getting a beating after 3 firings, primer pockets on some was lose). </p><p> Someone else claimed they could get 80 fps more w the 180 Hybrids vs the 183 Sierra;s. .680 avg bc vs .703 avg bc, does the .023 bc make up for 80 fps loss.??</p><p></p><p> At 1000 yards the 680 bc 180's are dead even with the .755 bc 195's in my gun w 230 fps more speed as far as wind drift goes. 57 inches per 10 mph wind</p></blockquote><p></p>
[QUOTE="scottyd2506, post: 1199400, member: 19778"] how much more powder do you use for the 183's vs 195"s ?? reason i'm asking is I have loads for my 284 w 195's and would like a ballpark figure to max out at when I work up. I use 55.0 H4831 for the 180 Hybrids for a easy load and 2830 fps 30 inch 8.0 twist Krieger and 52.0 for same powder w 195's at 2600 fps (I was at 53.5 w 195's@ 2720 fps but brass was getting a beating after 3 firings, primer pockets on some was lose). Someone else claimed they could get 80 fps more w the 180 Hybrids vs the 183 Sierra;s. .680 avg bc vs .703 avg bc, does the .023 bc make up for 80 fps loss.?? At 1000 yards the 680 bc 180's are dead even with the .755 bc 195's in my gun w 230 fps more speed as far as wind drift goes. 57 inches per 10 mph wind [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Sierra Bullets New .284 183gr MK
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