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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm RUM vs other mags
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<blockquote data-quote="royinidaho" data-source="post: 276688" data-attributes="member: 2011"><p>Michael,</p><p></p><p>Wooo hoooo you're raining on my parade............<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> But I'm one of those power driven folks.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p><p></p><p>I shoot a 270 Allen Mag but wish I would have went with a 7mm due to the lack of 270 heavy bullets. I've shot her an extra bunch just just because. I fully expect to get a few shots over 1000 rounds through it. A 7mm smoker should exceed that amount of total shots just because it would be in someone else's hands.<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /> Once I get things settled out the rifle won't see 10 shots a year thus its life will be long.</p><p></p><p>I am treating berger bullets very harshly. The 150s won't shoot at any "reasonable" velocity in my fast twist 3 groove 30" bbl. The less the jump the smaller the group but min size is 1.5 MOA.</p><p></p><p>I'm working on a process to reduce 7mm Bergers to 277. When this is done to the 168s group size is right around 1 foot @ 50 yds. Really!. All holes are out of round to some extent. More than 90% of the holes are nearly horse shoe shaped. This is at velocities less than 3000 fps.</p><p></p><p>I suppose the same results would be achieved with the 180gr normal jacketed bullets.</p><p></p><p>The 180gr thick jacket match bullet shows good promise.</p><p></p><p>Highdrum, I'd recommend something like a 338 RUM, EDGE, or some such. Push the 300 SMK to whatever velocity you wish. Learn its drop and you're good for long range on larger animals. My carry rifle is a 338 RUM sporter weight with its range being limited only by the scope on it. To 900 yds its deadly and really fun to shoot.</p><p></p><p>But I wouldn't run away from one of the big 7s but I'm bettin you'll be short on bullet selection. One of the noted smiths here has gone the berger route and has ended up shooting 160 NABs in his. He mentioned, if I recall correctly, that he didn't notice much if any difference in jacket thickness between the regulars and the thicks.</p><p></p><p>When the Wildcat bullets gets going later this spring/summer bullets will no longer be an issue.</p><p></p><p>Nightey Night.....</p></blockquote><p></p>
[QUOTE="royinidaho, post: 276688, member: 2011"] Michael, Wooo hoooo you're raining on my parade............:) But I'm one of those power driven folks.:rolleyes: I shoot a 270 Allen Mag but wish I would have went with a 7mm due to the lack of 270 heavy bullets. I've shot her an extra bunch just just because. I fully expect to get a few shots over 1000 rounds through it. A 7mm smoker should exceed that amount of total shots just because it would be in someone else's hands.:) Once I get things settled out the rifle won't see 10 shots a year thus its life will be long. I am treating berger bullets very harshly. The 150s won't shoot at any "reasonable" velocity in my fast twist 3 groove 30" bbl. The less the jump the smaller the group but min size is 1.5 MOA. I'm working on a process to reduce 7mm Bergers to 277. When this is done to the 168s group size is right around 1 foot @ 50 yds. Really!. All holes are out of round to some extent. More than 90% of the holes are nearly horse shoe shaped. This is at velocities less than 3000 fps. I suppose the same results would be achieved with the 180gr normal jacketed bullets. The 180gr thick jacket match bullet shows good promise. Highdrum, I'd recommend something like a 338 RUM, EDGE, or some such. Push the 300 SMK to whatever velocity you wish. Learn its drop and you're good for long range on larger animals. My carry rifle is a 338 RUM sporter weight with its range being limited only by the scope on it. To 900 yds its deadly and really fun to shoot. But I wouldn't run away from one of the big 7s but I'm bettin you'll be short on bullet selection. One of the noted smiths here has gone the berger route and has ended up shooting 160 NABs in his. He mentioned, if I recall correctly, that he didn't notice much if any difference in jacket thickness between the regulars and the thicks. When the Wildcat bullets gets going later this spring/summer bullets will no longer be an issue. Nightey Night..... [/QUOTE]
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