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Hunting
Long Range Hunting & Shooting
338-378 range report
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<blockquote data-quote="Wedgy" data-source="post: 1293686" data-attributes="member: 64108"><p>Your HBN results seem to be opposite from the norm; the same bullets with the same charge should drop in velocity, not increase because the HBN decreases the friction which lowers pressure = lower velocity.( it was 250 Accubond with 107.0 before & after coating right ?) In my Edge and RUM I had to add about a half a grain to get back to the speed I was at before I started coating bullets. Most people lose about 40-50 fps, it's pretty well expected so your case is interesting. Did you coat the barrel as well ? </p><p>Wow, 118 grain, that 378 case holds a lot of powder ! It's got my attention, thanks for the report and keep us posted.</p></blockquote><p></p>
[QUOTE="Wedgy, post: 1293686, member: 64108"] Your HBN results seem to be opposite from the norm; the same bullets with the same charge should drop in velocity, not increase because the HBN decreases the friction which lowers pressure = lower velocity.( it was 250 Accubond with 107.0 before & after coating right ?) In my Edge and RUM I had to add about a half a grain to get back to the speed I was at before I started coating bullets. Most people lose about 40-50 fps, it's pretty well expected so your case is interesting. Did you coat the barrel as well ? Wow, 118 grain, that 378 case holds a lot of powder ! It's got my attention, thanks for the report and keep us posted. [/QUOTE]
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