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300 RUM vs 300 lapua vs 338 lapua
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<blockquote data-quote="J E Custom" data-source="post: 1118349" data-attributes="member: 2736"><p>There is no question that the Lapua brass is tougher and will handle more pressure. "BUT" when you run high pressure other things suffer that are more expensive.</p><p></p><p>The fact that the Lapua brass is stronger can be a detriment if you run it to its limit. Most people use the Norma brass to find the pressure limits of there load and then switch to Lapua brass for longevity.</p><p></p><p>The 300 rum or the 300/338 (Edge) has more powder capacity than the 338 Lapua so if safe pressures are maintained they will out perform the Lapua without damage to the action or other parts. The Lapua also has higher bolt loading with the same pressure because of the larger case head size.</p><p></p><p>If i were to recommend a Lapua cartridge it would be a 338 Lapua improved (To Increase the powder capacity) but still recommend running pressures that would not damage the rifle and build it on a Mark 5 action or something as strong and as large to manage the bolt loading better.</p><p></p><p>Over loading the 338 Lapua is quite common because the case is so strong, but not recommended</p><p>because of other problems.</p><p></p><p>I like both cartridges as long as they are ran at SAMME pressures but like any cartridge if SAMME pressures are exceeded it can cause bolt lug setback and eventually render a good action unusable.</p><p></p><p>The fact that you already have a bunch of the 338 Lapua brass is a reason to look at the Lapua, but</p><p>build on the appropriate action and keep the pressures within the normal limits and you will enjoy the whole experience. The 338 Lapua would be an alternative if you want a total performance package. </p><p></p><p>Just My Opinion</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1118349, member: 2736"] There is no question that the Lapua brass is tougher and will handle more pressure. "BUT" when you run high pressure other things suffer that are more expensive. The fact that the Lapua brass is stronger can be a detriment if you run it to its limit. Most people use the Norma brass to find the pressure limits of there load and then switch to Lapua brass for longevity. The 300 rum or the 300/338 (Edge) has more powder capacity than the 338 Lapua so if safe pressures are maintained they will out perform the Lapua without damage to the action or other parts. The Lapua also has higher bolt loading with the same pressure because of the larger case head size. If i were to recommend a Lapua cartridge it would be a 338 Lapua improved (To Increase the powder capacity) but still recommend running pressures that would not damage the rifle and build it on a Mark 5 action or something as strong and as large to manage the bolt loading better. Over loading the 338 Lapua is quite common because the case is so strong, but not recommended because of other problems. I like both cartridges as long as they are ran at SAMME pressures but like any cartridge if SAMME pressures are exceeded it can cause bolt lug setback and eventually render a good action unusable. The fact that you already have a bunch of the 338 Lapua brass is a reason to look at the Lapua, but build on the appropriate action and keep the pressures within the normal limits and you will enjoy the whole experience. The 338 Lapua would be an alternative if you want a total performance package. Just My Opinion J E CUSTOM [/QUOTE]
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300 RUM vs 300 lapua vs 338 lapua
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