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Long Range Hunting & Shooting
Muzzle velocity
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<blockquote data-quote="FEENIX" data-source="post: 1978436" data-attributes="member: 14204"><p>Welcome to LRH and enjoy it! Sometimes WAGs are not good enough. As others noted, it is best to chronograph your "actual" MV out of your rifle. For instance, I was doing load development for my .30 Gibbs using H4831SC and 190 Berger. Berger reloading manual shows 2671 FPS MV with 57.5 H4831SC out of 26" 1:12" for .30-06. My actual MV with 61 H4831SC out of 1:10" 24" is only 2599 FPS MV.</p><p></p><p>I was expecting ~50-75 FPS slower for the same powder charge but not with +3.5g.</p><p></p><p>Good luck!</p><p></p><p><strong>ADDED: 09/13/20</strong></p><p></p><p>For what it is worth ...</p><p></p><p>[MEDIA=youtube]FZxizte6foI:183[/MEDIA]</p></blockquote><p></p>
[QUOTE="FEENIX, post: 1978436, member: 14204"] Welcome to LRH and enjoy it! Sometimes WAGs are not good enough. As others noted, it is best to chronograph your "actual" MV out of your rifle. For instance, I was doing load development for my .30 Gibbs using H4831SC and 190 Berger. Berger reloading manual shows 2671 FPS MV with 57.5 H4831SC out of 26" 1:12" for .30-06. My actual MV with 61 H4831SC out of 1:10" 24" is only 2599 FPS MV. I was expecting ~50-75 FPS slower for the same powder charge but not with +3.5g. Good luck! [B]ADDED: 09/13/20[/B] For what it is worth ... [MEDIA=youtube]FZxizte6foI:183[/MEDIA] [/QUOTE]
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