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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 WinMag to 338 RUM?
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<blockquote data-quote="woods" data-source="post: 748102" data-attributes="member: 6042"><p>340 Wtby 225 gr bullets average max velocity - 2927 fps</p><p></p><p>338 win mag average 2787 fps</p><p>338 RUM average 3144 fps</p><p></p><p></p><p>The case length of the 340 at 2.825" is even longer than the 338 RUM and would further be restricted by mag length and is belted. Being belted is not a killer but the brass manufacturers typically put a lot of head clearance on belted cases between the new case shoulder and typical chamber shoulder. </p><p></p><p>IMO if I wanted to go for a 338 heavy hitter (and didn't have one) I would find a Winchester (3 position safety) rifle in 264 wm, 7 rm, 300 wm or 338 wm and rebarrel to a 338RUM and get a Wyatt's box. Or if I had an action that I could not get a Wyatt's box I would rebarrel to a 338/375Ruger (will fit easily in a 3.4" magazine)</p></blockquote><p></p>
[QUOTE="woods, post: 748102, member: 6042"] 340 Wtby 225 gr bullets average max velocity - 2927 fps 338 win mag average 2787 fps 338 RUM average 3144 fps The case length of the 340 at 2.825" is even longer than the 338 RUM and would further be restricted by mag length and is belted. Being belted is not a killer but the brass manufacturers typically put a lot of head clearance on belted cases between the new case shoulder and typical chamber shoulder. IMO if I wanted to go for a 338 heavy hitter (and didn't have one) I would find a Winchester (3 position safety) rifle in 264 wm, 7 rm, 300 wm or 338 wm and rebarrel to a 338RUM and get a Wyatt's box. Or if I had an action that I could not get a Wyatt's box I would rebarrel to a 338/375Ruger (will fit easily in a 3.4" magazine) [/QUOTE]
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338 WinMag to 338 RUM?
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