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#331022 - 08/07/07 05:50 PM Re: how do you plan a long range HUNTING rifle [Re: megalomaniac]
TiminTN
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Registered: 06/18/00
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Loc: Memphis,Tennessee U.S.A.

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How would a 7 WSM perform with 162 A-Max`s in a 28" barrel?
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#331282 - 08/07/07 08:03 PM Re: how do you plan a long range HUNTING rifle [Re: TiminTN]
ewc
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Registered: 02/01/02
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Tim-

I like the way you think. This is a measly little 24" barrel-

http://www.6mmbr.com/gunweek064.html

I'm sure you've seen this. It's a good reason why I picked up my 7wsm.

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#331483 - 08/07/07 09:18 PM Re: how do you plan a long range HUNTING rifle [Re: TiminTN]
megalomaniac
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Registered: 10/28/05
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 Originally Posted By: TiminTN
How would a 7 WSM perform with 162 A-Max`s in a 28" barrel?


If you could seat them far enough out, you could probably use Re25 instead of 22 in a 28" barrel, stuff the case completely (right at 70 grains) and hit 3200 reasonably with a normal barrel.

I have no idea why some barrels are so much 'faster' or 'slower' than others, though.

My partner and I bought 300 SAUMs in 700 BDL s/s last year and I reloaded for both. Identical bullets, powder charges, primers, heck even I reloaded both cases myself, yet his was consistently 75 to 100 fps faster than mine with the same rounds (oh, also broken in identically, and similar round counts). Mine was just a little better than a 30-06, while his was at 300 win mag levels with the 168's... so I ended up getting rid of mine.

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#331764 - 08/08/07 03:23 AM Re: how do you plan a long range HUNTING rifle [Re: megalomaniac]
mr.big
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Registered: 01/03/01
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the 7WSM in a long action would probably do what I want,if I go 7 I will more than likely build around the new 175 MK so I could be able to have more choices if it didnt like one certian bullet,I should be able to use the 160AB,162 AMax,168 Berger,Sierra,175 Sierra or the 180 Berger,

but I am still leaning towards the 6,5 bore,,either the 280AI case or either of the short mags,,we would have to decide on best brass available between the WSM and RSAUM,,the 130 Berger,142 Sierra or the Laupa 142 Scenar bullet.

the 6mm Berger 115 bullet has the .595 BC and should make 3200 with 55 grs of powder so I aint ruling it out at all.
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#331765 - 08/08/07 03:42 AM Re: how do you plan a long range HUNTING rifle [Re: megalomaniac]
mr.big
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Registered: 01/03/01
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that 90 gr 22 cal at .517 is an interesting lookin bullet
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#331834 - 08/08/07 06:48 AM Re: how do you plan a long range HUNTING rifle [Re: mr.big]
TiminTN
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Registered: 06/18/00
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My shooting buddy is dealing with the same issues kind of right now.
Many of the match bullets, the VLD type, are made and tested to shoot in a certain velocity window.
You start cranking them up and a core shift can take place.
When I shot in Missouri I took 2 rifles, and the 6-47 Lapua I had loaded 100 grain CR bullets running 3400 fps. Many of them never made it to the gong.
The 90 grain 22`s are mosly made and tested for the Hi-Power shooters running them single shot out of a 223.
The big boomers at the 1000 yd range, the large 30`s shoot heavy bullets and reasonable velocitys.
This is why the 6BR is such a deadly round, the 6Dasher, these cases run at efficient, high pressures, but the bullets are running right where they want to be velocity wise.
The 6.5/284 is the same, you work a 142 Sierra to 2950/2990/3020, and you are good all day long.
Shoot them at 3200 and who knows.
The water can get deep, fast.
I know twist rates should be slowed down according to case picked and this may help, and using moly coated bullet will help as well, to try and push the envelope.
I think a call to Sierra tech, Berger, and Hornady will be a good recommendation and see what velocity levels should be considered.
There are a few who campain the 6/284 and shoot the 107 Sierra, so there must be a few exceptions.
I am going to shoot A-Max`s for a while in 6mm and 6.5, and see if my initial good luck holds.
I also bought heavily into the new Berger 108 6mm`s when the first good reviews came around. These will be tested in the 6BR and the 6-47.
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#331940 - 08/08/07 08:31 AM Re: how do you plan a long range HUNTING rifle [Re: TiminTN]
TiminTN
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Registered: 06/18/00
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Loc: Memphis,Tennessee U.S.A.

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I know this is about a HUNTING rifle, I got off topic a bit, but wanted you to realize a few lessons I have learned.


I had a reamers made for the 7Saum and 7WSM, but not built either yet. The 7WSM has a highest capacity of all the short mags, and the shortest neck.

A throating or bullet to shoot in it is almost mandatory before chambering.

My 7WSM reamer was made to seat a 140 Accubond with the tip measuring 2.950" OAL to be used in a Wyatts modified box or the Borden Rimrock with Wyatts option.

This still has bullet shank in the powder compartment. The Saum is a better fit in a short action, to me.

Using this in a long action/single shot seated out further should be an amazing cartridge.
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#332348 - 08/08/07 01:42 PM Re: how do you plan a long range HUNTING rifle [Re: TiminTN]
mr.big
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Registered: 01/03/01
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I really want to go as easy on the bbl as possible,,but it looks like the 7 WSM in a long action is the wimpiest round I will be able to get by with.

and Tim I have read where the 105 6mm A-Max comes apart in flight at about 3300,that would be sad to build the thing and have shotgun looking patterns.

anyway just thinking as it will be a while before I get this going.
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#332453 - 08/08/07 02:57 PM Re: how do you plan a long range HUNTING rifle [Re: mr.big]
TiminTN
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Registered: 06/18/00
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Loc: Memphis,Tennessee U.S.A.

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The planning is so much of the fun part, and its free.......

I know you will do well with it.
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#333153 - 08/09/07 01:17 AM Re: how do you plan a long range HUNTING rifle [Re: mr.big]
Greentimber
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Registered: 11/28/06
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Loc: Jackson

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.280 Remington with a 162 A-Max (.625 BC) pushed to around 2950fps will get you as far out as you want to go.
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