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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Long Range .30s
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<blockquote data-quote="MontanaRifleman" data-source="post: 338656" data-attributes="member: 11717"><p>I dont have near LTLR's experience, but I dont need it to answer the question in a general sense. There is always going to be a trade off. If you want performance, it is going to cost you. To get farther down range you need more velocity and more velocity means more powder and more powder means more heat errosion in your bore. It will also cost you in recoil.</p><p> </p><p>The question is, how far down range do you want to go and what "expected" barrel life are you willing to have?</p><p> </p><p>The 300 RUM is the most popular 1K plus 30 cal cartridge. There are others that will get you farther but It is the most popular. By comparison, the 300 WSM on average will get to 150-250 yds down range of the 300 RUM. The expected barrel life of the WSM is 3-4 times that of the RUM. Specifically, most would say 1000 is expected in the RUM and 3000-4000 in the WSM. There are some reports of longer barrel life in the RUM, but I wouldn't "expect" it. I can get 3200 fps with a 180 bullet in my 300 WSM (which is better than most) and 3400 fps with my RUM burning 30 gr more powder (67.5 vs 97.5). That puts the WSM within 125 yds of the RUM down range.</p><p> </p><p>There are no hard fast rules on barrel life. But on average, the more powder you are burning the harder it will be on your throat and bore.</p><p> </p><p>Hope that helps,</p><p> </p><p>Mark</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 338656, member: 11717"] I dont have near LTLR's experience, but I dont need it to answer the question in a general sense. There is always going to be a trade off. If you want performance, it is going to cost you. To get farther down range you need more velocity and more velocity means more powder and more powder means more heat errosion in your bore. It will also cost you in recoil. The question is, how far down range do you want to go and what "expected" barrel life are you willing to have? The 300 RUM is the most popular 1K plus 30 cal cartridge. There are others that will get you farther but It is the most popular. By comparison, the 300 WSM on average will get to 150-250 yds down range of the 300 RUM. The expected barrel life of the WSM is 3-4 times that of the RUM. Specifically, most would say 1000 is expected in the RUM and 3000-4000 in the WSM. There are some reports of longer barrel life in the RUM, but I wouldn't "expect" it. I can get 3200 fps with a 180 bullet in my 300 WSM (which is better than most) and 3400 fps with my RUM burning 30 gr more powder (67.5 vs 97.5). That puts the WSM within 125 yds of the RUM down range. There are no hard fast rules on barrel life. But on average, the more powder you are burning the harder it will be on your throat and bore. Hope that helps, Mark [/QUOTE]
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Long Range .30s
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