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7WSM vs 7mm Rem Mag

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Old 01-20-2013, 11:32 PM
Bronze Member
Join Date: Jan 2013
Posts: 31
7WSM vs 7mm Rem Mag

I am putting together a rifle for long range shooting and am hung up on a few things. I want to go with a predator action, but am not very familiar with them. I am going to run 180 grn bergers and what to get the most out of them, so will I be better to run a 7WSM in a long action so I can stretch out the bullet? Or is that predator long action long enough that there wouldn't be any issues with the 7 Rem Mag? Thanks for the help
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Old 01-21-2013, 08:16 AM
Gold Member
Join Date: Feb 2012
Posts: 807
Re: 7WSM vs 7mm Rem Mag

considering most of the long actions with the exception of rugers will take the 7stw which is considerably longer it leaves lots of room for seating out bullets in the 7 rem mag.
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Old 01-21-2013, 09:04 AM
Platinum Member
Join Date: Jul 2004
Location: Texas
Posts: 5,466
Re: 7WSM vs 7mm Rem Mag

If you are going to use 180 grain bullets I feel that the 7 Rem Mag would be a better choice.

The 7 WSM is very close ballistically to the 7 Mag with the lighter bullets, But for the heavy
weights the 7 Mag comes out on top.

Brass and loaded ammo is a lot easier to find for the 7 Mag and a long action works well with
no feeding problems.

The advantage of the 7 WSM comes when you use a short action (Short and Light).

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Old 01-21-2013, 10:35 AM
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Join Date: Dec 2006
Location: Utah
Posts: 125
Re: 7WSM vs 7mm Rem Mag

The Stiller Actions come with the extended magazine boxes and I haven't had a lot of feeding issues with 7MM WSM. I have built a dozen 7MM wsm last year and with 180 bergers they get 2950-3000 without pressure signs and thats where Bergers seem to shoot well. The 7mm Mags
have worked better for me with the 160 Accubonds and I have video of one shot kills at 900 yards with that load, so either one is a viable choice.
Good luck with your build.


Elk Meadow Performance
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Old 01-21-2013, 07:39 PM
Bronze Member
Join Date: Jan 2013
Posts: 31
Re: 7WSM vs 7mm Rem Mag

Awesome, thanks for the info guys!
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Old 01-21-2013, 08:35 PM
Platinum Member
Join Date: May 2001
Location: Casper Wy
Posts: 1,308
Re: 7WSM vs 7mm Rem Mag

Real world vrs what the books say. My shooting partner shoots a Tika 7mag and a shaw barreled Savage. After a lot of load work he has settled on a 160GK for the 7Mag and uses the 180grain Berger load I had worked up for the shaw before selling him the 7WSM. We put them through the crony the other day and had some interesting results...
The Savage with its bull barreled 7WSM outshoots the 7 Mag but not by much,they both group great!
The 7mag sends the 160GKs out at 2750 and the 7WSM sends the 180 grain Bergers out at 3005fps. Now we know the Tika has a slow barrel on it as all loads are short of what thet should be but the cheap Shaw 7WSM is doing great!!
Sometimes life is what it is.........
"Make everything as simple as possible, but not simpler." -Albert Einstein (1879-1955)
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Old 01-21-2013, 09:06 PM
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Join Date: Dec 2008
Location: Spanish Fork, UT
Posts: 23
Re: 7WSM vs 7mm Rem Mag

I'm surprised you say that the 160 Grain GK only shoots at 2750. I shoot the same bullet at 3050 in my 7mm Rem Mag. Great bullet and great accuracy.
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