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#603276 - 02/06/08 07:35 PM Re: reloads for a 7mm rum [Re: mr.big]
TiminTN
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Registered: 06/18/00
Posts: 6319
Loc: Memphis,Tennessee U.S.A.

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I would expect my case to push a 160 to 3400. The 140 will run 3650. I`m sure my case is more efficient than the 7mm RUM and is the reason.

I use 88 grains of 7828, and never blink at the thought is is this or that many grains more than a 7mm Mag. This all has been a constant learning curve for me, and had I had experts advise me many years ago, I might have gone a different course, but I didn`t, and have done the best I know how.

My 7mm/338 to me is the finest rifle I ever came up with. It was from direct experience from a friend building Raptors with Tim McWhorter using RWS 404 Jeffries brass.

When the Ultra Mags came out, I was hoping I could get me one that would fit as well as the Raptor and its 2.5" case length. If I had a full bore 7mm Ultra, I`d probably run 160`s too, but my case has been delightfull with the 140`s.

This will drive megalomaniac crazy, but will say it anyway.

I don`t use clicks yet to hit distant targets, so holdover is my way and the "look no hands" method for me is best suited for a guy who shoots as flat shooting a rifle as possibe.

Now then, to use dials, the rifle can be a slug, and just wind on the dials a bit more and ta da, you are there.

So why do you need a Ultra Mag and a 200 grain bullet to shoot 600+ yards?

Seems a 7/08 or 30/06 with dials would use so much less powder. This mentioned since powder consumtion was a high regard for you.
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#603954 - 02/07/08 08:36 AM Re: reloads for a 7mm rum [Re: TiminTN]
mr.big
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Registered: 01/03/01
Posts: 28640
Loc: Copper Head Road

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thats exatly why I used the 300 RUM and 150 Partitions for 7-8 years,,to the edge of my shooting ability I could hold on hair..in this part of the country its rare to be able to see past 450-500 yards.
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#604115 - 02/07/08 10:13 AM Re: reloads for a 7mm rum [Re: mr.big]
mr.big
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Registered: 01/03/01
Posts: 28640
Loc: Copper Head Road

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how is the Raptor different than the 7 Dakota???

I don`t do clicks either,,I can look through the 3.5-10 and get a pretty good feel if its inside 500 yards or not,,if not I don`t shoot if soo I feel pretty good about the situation..

even though if I had the money and time I would try to get the equipment to learn to go farther,,as it is now I can zero dead on at 300 with the 300 RUM and 150`s and just shoot to 500..
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#604274 - 02/07/08 11:35 AM Re: reloads for a 7mm rum [Re: TiminTN]
megalomaniac
12 Point


Registered: 10/28/05
Posts: 5051
Loc: Mississippi

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 Originally Posted By: TiminTN

So why do you need a Ultra Mag and a 200 grain bullet to shoot 600+ yards?

Seems a 7/08 or 30/06 with dials would use so much less powder. This mentioned since powder consumtion was a high regard for you.


Personally, I like the ultramags and heavy-for-caliber bullets for the significant improvement in wind drift and very high retained kinetic energy. I know, I know, whether you hit a deer with 2500 ft-lbs of KE at 600 yards vs 750 ft-lbs at 600 yards will not kill a deer any 'deader', but it does seem that they end up 'dead' just a little quicker! So you don't 'need' them for the improved bullet drop, but the decreased wind drift is huge.

As far as powder and barrel life of the ultramag cases, honestly I could care less; I realize I'm being wasteful. But to others on a tighter budget, it IS a factor to consider.

BTW, I use the 'hold over' method on all my other shorter range rifles (shots 400 or so and in). For me, I just can't judge a 48" hold over, or 12" windage on the longer shots and feel as comfortable. I'm not saying using clicks for come-ups is the only way to do it... just that for me it is easier and I feel is more accurate. It also ensures I don't forget to compensate for windage in the heat of the moment.

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