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Long Range Hunting & Shooting
What can the 338 win mag do that the 300 RUM cant?
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<blockquote data-quote="J E Custom" data-source="post: 262798" data-attributes="member: 2736"><p>There is a way you can have your cake and eat it to.</p><p></p><p>If you like the edge but want to stay with something factory then get an extended</p><p>mag box and you can make up the difference between the 338 RUM and the 338</p><p>edge in powder capacity by seating the bullets longer and not encroaching as much</p><p>in the case using up powder space.</p><p></p><p>Of corse if you do this with the 300/338 you can boost powder capacity in it also.</p><p></p><p>When I built mine I used a Weatherby MK 5 action because it was .100 thousandth</p><p>longer. ( The difference in the case body length of a 338 RUM and the 300/338 is </p><p>about .090 thousandth.</p><p></p><p>The 338 RUM delivers 25% more muzzel energy than the 338 Win Mag and that should</p><p>be enough for anything on this continent.</p><p></p><p>Mine will produce 3100 ft/sec with a 250 gr Noz Accubond in a 27" barrel.(stiff but not Max).</p><p></p><p>I'm not sure what the 300/338 will do in this length barrel but it can't be much more because</p><p>this almost matches the 338/378 and it has 12 to 14grs more capacity than the 300/338.</p><p></p><p>Just an opinion</p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 262798, member: 2736"] There is a way you can have your cake and eat it to. If you like the edge but want to stay with something factory then get an extended mag box and you can make up the difference between the 338 RUM and the 338 edge in powder capacity by seating the bullets longer and not encroaching as much in the case using up powder space. Of corse if you do this with the 300/338 you can boost powder capacity in it also. When I built mine I used a Weatherby MK 5 action because it was .100 thousandth longer. ( The difference in the case body length of a 338 RUM and the 300/338 is about .090 thousandth. The 338 RUM delivers 25% more muzzel energy than the 338 Win Mag and that should be enough for anything on this continent. Mine will produce 3100 ft/sec with a 250 gr Noz Accubond in a 27" barrel.(stiff but not Max). I'm not sure what the 300/338 will do in this length barrel but it can't be much more because this almost matches the 338/378 and it has 12 to 14grs more capacity than the 300/338. Just an opinion J E CUSTOM [/QUOTE]
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What can the 338 win mag do that the 300 RUM cant?
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