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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 RUM... What would YOU do?
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<blockquote data-quote="J E Custom" data-source="post: 637142" data-attributes="member: 2736"><p>The 250 and the 300 grain bullets are almost the same energy and velocity at 1000 yards</p><p>but drop is 30'' less with the 250 grain bullet.</p><p></p><p>Most of us would like to have nothing but 1000+ yard shots but in the real world that is the</p><p>exception and most shots are less than 600 yards. so the logic of a 250 grain bullet is based</p><p>on that because at less than a 1000 yards flatter trajectory can be a plus. Also time of flight</p><p>can be very important on moving targets.</p><p></p><p>If I were going to shoot well over 1000 yards then I would first get a larger case than the 338</p><p>RUM that could move the 300 grain bullets at or above 3000 ft/sec. then you could take </p><p>advantage of the heaver bullets higher BC.</p><p></p><p>I have a 338 rum that is very good with 225 and 250 grain bullets And to utilize the 300 grain </p><p>bullets I am testing a 338 of my on design that will hold 115 to 119 grains of powder and should </p><p>push the 300 grain bullets to over 3000 ft/sec. It will not hold the amount of powder that the </p><p>338/378 or the Excalibur will but should not be far behind them in velocity with the 300 grain </p><p>bullets.</p><p></p><p>Your logic is good, but the 338 RUM doesn't have enough case capacity to utilizes the benefits of </p><p>the 300 grain bullets in my opinion. They need long barrels and large powder charges to be </p><p>an asset.</p><p></p><p>I am very happy with my 338 rum but it does have it's limits and like all cartriges there is an optimum bullet weight for velocity,trajectory and energy.</p><p></p><p>Just my opinion</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 637142, member: 2736"] The 250 and the 300 grain bullets are almost the same energy and velocity at 1000 yards but drop is 30'' less with the 250 grain bullet. Most of us would like to have nothing but 1000+ yard shots but in the real world that is the exception and most shots are less than 600 yards. so the logic of a 250 grain bullet is based on that because at less than a 1000 yards flatter trajectory can be a plus. Also time of flight can be very important on moving targets. If I were going to shoot well over 1000 yards then I would first get a larger case than the 338 RUM that could move the 300 grain bullets at or above 3000 ft/sec. then you could take advantage of the heaver bullets higher BC. I have a 338 rum that is very good with 225 and 250 grain bullets And to utilize the 300 grain bullets I am testing a 338 of my on design that will hold 115 to 119 grains of powder and should push the 300 grain bullets to over 3000 ft/sec. It will not hold the amount of powder that the 338/378 or the Excalibur will but should not be far behind them in velocity with the 300 grain bullets. Your logic is good, but the 338 RUM doesn't have enough case capacity to utilizes the benefits of the 300 grain bullets in my opinion. They need long barrels and large powder charges to be an asset. I am very happy with my 338 rum but it does have it's limits and like all cartriges there is an optimum bullet weight for velocity,trajectory and energy. Just my opinion J E CUSTOM [/QUOTE]
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338 RUM... What would YOU do?
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