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Hunting
Long Range Hunting & Shooting
? 6.5 284
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<blockquote data-quote="SBruce" data-source="post: 716151" data-attributes="member: 21068"><p>IMO, barrel length and not loading quite enough powder is at least part of the issue with getting slow velocities.</p><p> </p><p>In all honesty, if we can only get 2700'/sec then we're probably better off just shooting a 260.</p><p> </p><p>I felt Hodgdons data was a little on the soft end, especially after looking up data on the original 284 Winchester with heavier bullets. They used to run 55-57 grains of H 4831 in the 284 with 160-168 bullets at 2700'/sec. I couldn't think of any reason that 55 grns wouldn't work in the 6.5 version beings we're only shooting 140 grn slugs.</p><p> </p><p>I didn't personally see any pressure signs until I hit 56 grns of powder, and Len said he didn't either in his rifle which is about identical to mine as far as I know. There appears to be an accuracy node at around 2950-3025'/sec in my 26" Brux.</p><p> </p><p>Here's a similar thread just for some more info if anyone is interested:</p><p><a href="http://www.longrangehunting.com/forums/f19/6-5-x-284-h4821sc-51-gr-140vdl-velocity-99170/" target="_blank">http://www.longrangehunting.com/forums/f19/6-5-x-284-h4821sc-51-gr-140vdl-velocity-99170/</a></p></blockquote><p></p>
[QUOTE="SBruce, post: 716151, member: 21068"] IMO, barrel length and not loading quite enough powder is at least part of the issue with getting slow velocities. In all honesty, if we can only get 2700'/sec then we're probably better off just shooting a 260. I felt Hodgdons data was a little on the soft end, especially after looking up data on the original 284 Winchester with heavier bullets. They used to run 55-57 grains of H 4831 in the 284 with 160-168 bullets at 2700'/sec. I couldn't think of any reason that 55 grns wouldn't work in the 6.5 version beings we're only shooting 140 grn slugs. I didn't personally see any pressure signs until I hit 56 grns of powder, and Len said he didn't either in his rifle which is about identical to mine as far as I know. There appears to be an accuracy node at around 2950-3025'/sec in my 26" Brux. Here's a similar thread just for some more info if anyone is interested: [URL]http://www.longrangehunting.com/forums/f19/6-5-x-284-h4821sc-51-gr-140vdl-velocity-99170/[/URL] [/QUOTE]
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