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75 gr in 243
Hi all would any one have load data for 75gr Hornaday VMAX using VV N135? In .243 Winchester
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Hi
Hornady 8th edition lists Viht 135 for one bullet only, the 58gn V Max.
All bullets from 65 to 87 gn list Viht 140 as their fastest powder,
bullets above 87gn list Viht 160.
Hope that's of some use.
Col
edit: just located last years Viht manual - not same bullet so usual care warnings apply!
Viht manual 2018 for 77gn Lapua bullet lists 30.7gn start load to a max 35.8gn 23'' barrel, 67mm COL, speeds c.2805-3176
Last edited by roughshooter; 12-11-2019 at 09:47 AM.
Reason: addit info
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I have a couple of old but very reliable reloading manuals that show that Vihtorvori used to have max charge of 39.4 grains of Vit n135 behind a 75 grn bullet giving 3144 fps - and 40.5 behind a 70 grn pill giving a MV of 3310 fps.
in recent years, Vihtorvori have dropped their charge weights by over 10% with a lot of their powders.
some of the bottom charge weights are ridiculously low.
Also - from experience Vit n140 would be a better choice
ATB
Alan
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