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Rifles, Reloading, Optics, Equipment
Reloading
7mm Rem Mag 175gr ABLR at 2,815 fps.....should I be happy with this?
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<blockquote data-quote="Raudy707" data-source="post: 1754410" data-attributes="member: 105681"><p>Yeah Barnes bullets are not what he's looking for in this situation. Copper bullets build pressure quicker so he would have to use a lower powder charge meaning even less velocity than he is getting now. Also the 168 LRX has a .550 BC compared to his ABLR which is at like .650. That's really significant when it comes to long range ballistics and wind drift. Lastly, his minimum velo for the ABLR is like 1300 fps, LRX is 1600. So now he would be losing some yardage worried about bullet expansion with minimum impact velocity. He's picked the right bullet for his shooting parameters, but is wondering if he should be looking for more speed. The only faster bullet is a Berger bullet because they have the least amount of bearing surface compared to the Barnes lrx, Hornady eldm or Nosler Accubond LR. It's going to take a increase in powder or change in powder to get him that 2900+ fps. About the only powder that's going to beat Rldr 23 is Rldr 26, Retumbo or H1000. He could try a Fed large rifle match primer. Sometimes weird things happen and magnum primers are actually slower velo than a standard primer because they ignite the powder so fast in the chamber I can only guess but I've seen it happen.</p></blockquote><p></p>
[QUOTE="Raudy707, post: 1754410, member: 105681"] Yeah Barnes bullets are not what he's looking for in this situation. Copper bullets build pressure quicker so he would have to use a lower powder charge meaning even less velocity than he is getting now. Also the 168 LRX has a .550 BC compared to his ABLR which is at like .650. That's really significant when it comes to long range ballistics and wind drift. Lastly, his minimum velo for the ABLR is like 1300 fps, LRX is 1600. So now he would be losing some yardage worried about bullet expansion with minimum impact velocity. He's picked the right bullet for his shooting parameters, but is wondering if he should be looking for more speed. The only faster bullet is a Berger bullet because they have the least amount of bearing surface compared to the Barnes lrx, Hornady eldm or Nosler Accubond LR. It's going to take a increase in powder or change in powder to get him that 2900+ fps. About the only powder that's going to beat Rldr 23 is Rldr 26, Retumbo or H1000. He could try a Fed large rifle match primer. Sometimes weird things happen and magnum primers are actually slower velo than a standard primer because they ignite the powder so fast in the chamber I can only guess but I've seen it happen. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm Rem Mag 175gr ABLR at 2,815 fps.....should I be happy with this?
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