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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Thinking of 7mm RUM?
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<blockquote data-quote="Hicks" data-source="post: 478273" data-attributes="member: 9129"><p>I've been pretty critical of the 7 RUM here, and it's just because I didn't know what I was getting into. I burned out a 7 RUM. Sort of a long story and with what I know now I'd do things a lot different. I bought a 700 CDL in 7mm RUM, thinking this was going to be my "long range rifle". Then I found longrangehunting.com when I was trying desperately to get it to shoot with any accuracy. I pillar bedded it, did some trigger work, and tinkered with the load a bit. My barrel liked the 160gr Accubonds behind 92grs of Retumbo. I was able to shoot a .3 inch group at 100yards, and I killed a nice antelope buck at something just over 500 yards. </p><p></p><p>Then I tried to get the Bergers to shoot, both the 168gr and 180gr. Did a bunch of ladder test, with no luck. A nice guy at Berger told me that it was most likely that the bbl on the Remington was not twisted tight enough for either bullet. Went back to the accubonds and by that time my groups opened up to 4 inches or more. That was at about the 450 round mark, I think, I didn't keep copious notes. I was extremely disappointed, in any case. I cleaned after every 5 - 10 rounds, I found that the groups opened up substantially if I didn't. I tried to not heat the bbl up too much, and I never put it away dry. </p><p></p><p>I bought a bbl vice and action wrench and pulled the bbl. It's going to become a .375 RUM. After the 7 I'm all about bbl life, and it just seems to me that when you push bullets up past 3000fps bbl life suffers. </p><p></p><p>People talk about how flat shooting the 7 is, and yes that's true, but this is long range shooting. I ignorantly chased the flat shooting fallacy. We should all be able to work a rifle, with good bullets, regardless of the "flatness" of a trajectory. I don't see where, for instance, military shooters are shooting the flattest round out there. </p><p></p><p>If you want a 7 RUM make sure you do your homework. If I ever do another 7RUM I will buy a long bbl, twisted correctly, probably stainless, and possibly treated. I won't try to push 180 gr bullets faster than about 3200fps. I will expect that periodically that I will have to re-cut the crown, clean up the throat and set the bbl back.</p><p></p><p>Just my thoughts</p><p></p><p>Hicks</p></blockquote><p></p>
[QUOTE="Hicks, post: 478273, member: 9129"] I've been pretty critical of the 7 RUM here, and it's just because I didn't know what I was getting into. I burned out a 7 RUM. Sort of a long story and with what I know now I'd do things a lot different. I bought a 700 CDL in 7mm RUM, thinking this was going to be my "long range rifle". Then I found longrangehunting.com when I was trying desperately to get it to shoot with any accuracy. I pillar bedded it, did some trigger work, and tinkered with the load a bit. My barrel liked the 160gr Accubonds behind 92grs of Retumbo. I was able to shoot a .3 inch group at 100yards, and I killed a nice antelope buck at something just over 500 yards. Then I tried to get the Bergers to shoot, both the 168gr and 180gr. Did a bunch of ladder test, with no luck. A nice guy at Berger told me that it was most likely that the bbl on the Remington was not twisted tight enough for either bullet. Went back to the accubonds and by that time my groups opened up to 4 inches or more. That was at about the 450 round mark, I think, I didn't keep copious notes. I was extremely disappointed, in any case. I cleaned after every 5 - 10 rounds, I found that the groups opened up substantially if I didn't. I tried to not heat the bbl up too much, and I never put it away dry. I bought a bbl vice and action wrench and pulled the bbl. It's going to become a .375 RUM. After the 7 I'm all about bbl life, and it just seems to me that when you push bullets up past 3000fps bbl life suffers. People talk about how flat shooting the 7 is, and yes that's true, but this is long range shooting. I ignorantly chased the flat shooting fallacy. We should all be able to work a rifle, with good bullets, regardless of the "flatness" of a trajectory. I don't see where, for instance, military shooters are shooting the flattest round out there. If you want a 7 RUM make sure you do your homework. If I ever do another 7RUM I will buy a long bbl, twisted correctly, probably stainless, and possibly treated. I won't try to push 180 gr bullets faster than about 3200fps. I will expect that periodically that I will have to re-cut the crown, clean up the throat and set the bbl back. Just my thoughts Hicks [/QUOTE]
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Thinking of 7mm RUM?
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