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Thoughts on these two calibers, I thought they were the best of the lot with my leaning to the 7 RSAUM with it's longer neck. What is the problem with these? I don't think anyone builds a production rifle.
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Not many options with 7mm WSM either. I'd go that way only because it is a little more available and brass could easily be made from 300 WSM brass.
Most people don't really want the truth.
They just want constant reassurance that what they believe is the truth.
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Keep an eye out for a used Montana in 325 or 300 WSM. Once you have one, call Lija or Pacnor and get a montana contour tube in 7WSM...
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Joined: May 2005
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The 7 SAUM is functionally a .280 AI that will fit in a short action--the case capacities are within a grain or two of water, depending on the head stamp. The 7 WSM (which also fits in a short action) will give you another 100-150 fps with a 140-grain bullet. There seem to be a lot more rifles out there chambered for .270 WSM and .300 WSM, and both of those cases can easily be re-formed to 7mm WSM.
Ben
Some days it takes most of the day for me to do practically nothing...
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Joined: Sep 2003
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Campfire Outfitter
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
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A friend necks up 270 WSM and seats a bullet into the lands, adds a solid charge of 4350 and fire forms into 7WSM with no problems.
I neck down 300WSM brass to form a false shoulder, add 59.0grs 4350 with a 140 gr bullet and fire form with no problems.
The 7 is the only WSM I own so head stamp don't matter to me but I can see how it could be a problem owning more than 1 WSM.
When I die I hope I don't start voting democrat.
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Wow.
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Posts: 46,024
Campfire 'Bwana
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Campfire 'Bwana
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A wise man is frequently humbled.
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Posts: 15,647
Campfire Ranger
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Get a clue....
- Greg
Success is found at the intersection of planning, hard work, and stubbornness.
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Posts: 13,924
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Yes anyway. Those belts are awful aren't they. Cause all sorts of problems. Just wish I could think of one off the top of my head.
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Posts: 5,185
Campfire Tracker
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Wow. Wow +1. Simply amazing.
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Joined: Sep 2006
Posts: 9,706
Campfire Outfitter
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Wow. Wow +1. Simply amazing. I always, chuckle while reading his posts.
Official member of "The Clan of Turd-like People" ![[Linked Image]](https://i.postimg.cc/050xcBLB/Abbyand-Rum.jpg)
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Joined: Dec 2008
Posts: 555
Campfire Regular
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Posts: 555 |
other than finding brass if you reload nothing wrong with the RSAUM..Owned every WSM except the 325 and frankly I now own a 300 and 7mm RSAUM matching SS model 7s.
out standing accuaracy .. for me much better than any WSM I've owned.
love mine.. nickel's difference between the WSM and SAUMs
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Posts: 6,293
Campfire Tracker
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Wow. Wow +1. Simply amazing. I always, chuckle while reading his posts. Really? I find myself slapping my forehead.
This is a shooting forum, there is no place here for logic.
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Joined: Jan 2012
Posts: 502
Campfire Regular
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The 270 WSM cannot be easily re-formed by sizing to the 7mm WSM.
The headspace on the 7mm WSM is longer than the 270 and 300 WSM's.
The headstamp will be wrong on 300's formed and fireformed to 7mm WSM.
I am an aficionado of the 7mm WSM and just had to have one to get away from those terrible belted rounds.
While I have some 7mm WSM brass and shoot the rifle I see that brass is not readily available.
It would be easier to get and shoot a 270 WSM if that size round and rifle are wanted. The 270 WSM seems somewhat popular and what with the new quality bullets available in 270.
The 270 WSM's bullet is only 0.007" smaller than the 7mm's!
Since the 7wsm has a shorter neck with the shoulder pushed farther forward its really pretty simple. You can take 300wsm brass and partially size the neck down to where the bolt will just close with a little resistance. Also known as creating a false shoulder and creating positive headspace for your initial firing. Seems pretty easy to me� The only thing different for the 270wsm brass would be to run it through an expander die twice to neck it up to 284 and 308. Then follow the same procedure. Both ways would give you perfect brass in minimal effort or steps.
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I got a tubfull of chitty brass for my 7 WSM. Just give up and buy Norma the first time ...
I do not entertain hypotheticals. The world itself is vexing enough. -- Col. Stonehill
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If the head honchos of the firearms and ammo manufacturers were reading my post, I'd put some brains and heart into it. For those who will read it, I'll say that I think the 7mm's are the top of the bunch of short mags, and that the SAUM case was better thought out. All are handicapped to some extent by short actions, magazines, and barrels. I'd love to have a 7 SAUM in a std length action with a 25" bbl in a factory 700. That won't happen for several reasons, so I'll end up going semi-custom, as others have mentioned.
I belong on eroding granite, among the pines.
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I love my 7 saum and if you get 200 brass you will be fine.
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Switch,
I'm sure that they're both great cartridges. My thought is availability of ammo & loading components.
I wish you best of luck with your choice and many successful hunts with it.
�If tyranny and oppression come to this land, it will be in the guise of fighting a foreign enemy.�
***US President James Madison***
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I love my 7 saum and if you get 200 brass you will be fine. Yep and Norma is doing SAUM brass soon.
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