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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Velocity swings
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<blockquote data-quote="MontanaRifleman" data-source="post: 482540" data-attributes="member: 11717"><p>Shortpants, that is amazing velocity for factory 300 WSM loads. The best (average) I ever got was about 2990 with 180 AB's. With handloaded 180 E-Tips and RL17 I was able to get 3193.</p><p></p><p>As for what load to keep and what to toss, I would base that on actual group results. First at 200-300 yds then as far as you plan to shoot. </p><p></p><p>I still use the chrony as a general reference but I don't keep or toss a load based on it's readings.</p><p></p><p>Something else to remember is if there is even a slight wind blowing, it can sometimes cause pockets of up and down drafts over uneven ground that will affect your vertical component. I've experience this on a couple of occasions. It's best to do this type of testing on a clam day.</p><p></p><p>-Mark</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 482540, member: 11717"] Shortpants, that is amazing velocity for factory 300 WSM loads. The best (average) I ever got was about 2990 with 180 AB's. With handloaded 180 E-Tips and RL17 I was able to get 3193. As for what load to keep and what to toss, I would base that on actual group results. First at 200-300 yds then as far as you plan to shoot. I still use the chrony as a general reference but I don't keep or toss a load based on it's readings. Something else to remember is if there is even a slight wind blowing, it can sometimes cause pockets of up and down drafts over uneven ground that will affect your vertical component. I've experience this on a couple of occasions. It's best to do this type of testing on a clam day. -Mark [/QUOTE]
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