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Shooting & Reloading - Mausers, Big Bores and others >> Rifles

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Big cases loaded back Vs small cases and top loads
      31/12/04 06:56 AM

I am curious as to what others think of the following.

7mm Rem Ultra loaded back Vs 7mm Rem with max loads
270 Weatherby loaded back Vs 270 with max loads
30/378 weatherby or 300 Rem Ultra loaded back Vs 300 Win with max loads
300 Win loaded back Vs 30/06 or 308 with max loads
378 Weatherby loaded back Vs 375 H&H with max loads
6mm/06 loaded back Vs 243 with max loads

and etc.

In recent times both my best shooting mate and myself have moved to the direction of using big cases loaded back to equal max or full loads with the smaller case in the same calibre. Both of us have done enough shooting over a lot of years to know that the standard calibres and the standard magnums such as 7mm Rem, 300 Win, 338 Win and 375 H&H will do the job.....when loaded to the full potential or very close to their full potential.

As I see things the pluses of the big cases loaded back to equal the full pwered ballistics of the smaller cases are:

1) For reasons which completely escape me when calibres are loaded back by 250 to 300 f/s they seem shoot well even when the rfifle has bedding problems and scope and mounts are not what they should be. Can't be recoil because a 460 Wby loaded back to 458 or 458 Lott has heaps of recoil compared to a 7mm Rem with top loads.

2) Accuracy also becomes somewhat easier since the powder choices are greatly increased. A 378 Weatherby would go close to getting 375 H&H ballistics if you used black powder Ditto for 7mm Rem Ultra achieving 7mm Rem or 270 Win ballistics.

3) I think it is now fairly well accepted that low pressure loads in a big case will get better barrel life than full/max loads in the smaller case capacity. In other words a 270 Weatherby loaded back to 3150 f/s with 130 grain bullets will have better barrel life than a 270 Win using top loads to get the 3150.

4) Case life, expecially if neck annealing is used, will be just this side of forever with the big cases loaded back.

5) With the big case loaded back you do have a turbo button on the dashboard and it is nice to know that you can do it. Quite often just knowing you can do something is enough.

6) The big cases loaded back do definitely have the same sort of feel that you get when cruising around easy in a big V8 as compared to putting your foot down in the lower powered car.

Any comments, views, pros/cons etc.

Mike

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Subject Posted by Posted on
* Big cases loaded back Vs small cases and top loads **DONOTDELETE** 31/12/04 06:56 AM
. * * Re: Big cases loaded back Vs small cases and top loads vapodog   31/12/04 10:30 AM
. * * Re: Big cases loaded back Vs small cases and top loads **DONOTDELETE**   31/12/04 12:57 PM
. * * Re: Big cases loaded back Vs small cases and top loads ovis   31/12/04 03:27 PM

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