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7mmRem Mag vs 7mmSTW

 
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  #1  
Old 01-22-2012, 05:30 PM
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7mmRem Mag vs 7mmSTW

Im wanting to rebarrel my savage 110 it currently in 7mmRem mag with a very light contour barrel. Im wanting to use varmint contour barrel which cartridge would you all choose the standard 7Rem Mag or the 7mmSTW? Give me your reasons for your choice and the barrel life for each . Thanks in advance.
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  #2  
Old 01-22-2012, 08:59 PM
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Re: 7mmRem Mag vs 7mmSTW

Unless you reload the westerner isnt going to be very practical. Also, you are going to want atleast a 26" barrel for the STW, yet you can get by with 24 for the RM. If it were me Id have a 30" bbl on either. With that said, if I was stepping above the 7RM I wouldnt just go to a STW, I would go all the way up to a RUM or even better an AM. Its up to you though, no doubt the STW is an outstanding LR cartridge and can take pretty much everything in NA from a long way off. IIRC, the 7RM has ~83 gr H2O capacity while the STW has 99 Im pretty sure. So you are looking at right around ~200 fps difference between the 2. The longer the barrel, and the heavier the bullet +slower the powder, the more the STW will leave the RM in the dust.

What size game/at what distance are you looking to do?

Shoot Long time long ranger a pm, Im pretty sure its him who has worked extensively with the STW`s.
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Old 01-22-2012, 09:40 PM
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Re: 7mmRem Mag vs 7mmSTW

I've owned 7 rem mag's since 1974 and STW's since the early nineties.

Both are tremendous calibers and will do anything you want out to 800yds.

However with the STW you can keep going for another 200-300yds on just about any game in N. America and push any bullet 150-200fps faster with it as well.

As for barrel life if you load either to the max and shoot the hell out of it you probably won't get much over 500-700 rounds out of them before the groups start to open up.

However for 99% of hunters they won't open enough to be outside of the margin of shooter error for you to even notice until you get beyond 1,000 rnds.

Don't shoot max weight bullets at chargest that exceed recommended maximums and don't get it hot and you can shoot them a long time.

As for the 7mm Rum, I don't see the sense in it. For the additional cost in recoil, muzzle blast, and powder to me it's just not worth it.

For big game rifles I currently own 7mm STW, 300WM, and 300 Rum. I have all the gun I'll ever need for anything with them.

If I could justify the need for owning anything bigger I'd go all the way and build a .375 Cheytac and skip everything it and what I currently own.

Back to your question... .

If you build an STW, so as to get the most out of it get a 26 or 28" Barrel.

If you build the 7mag, go with at least the 24" but I'd say go with the 26".

With the same length barrels for both calibers the STW will rarely give you more than 100-125fps more, but you have so much more powder capacity it really shines with a couple of extra inches of room to burn that powder and build velocity before you let it fly.

As for carrying in the field, 2" more barrel really doesn't make much difference.
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  #4  
Old 01-22-2012, 09:49 PM
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Re: 7mmRem Mag vs 7mmSTW

Quote:
Originally Posted by 270shooter View Post
Im wanting to rebarrel my savage 110 it currently in 7mmRem mag with a very light contour barrel. Im wanting to use varmint contour barrel which cartridge would you all choose the standard 7Rem Mag or the 7mmSTW? Give me your reasons for your choice and the barrel life for each . Thanks in advance.
I'm not an expert. I have 7mags. I've never owned an STW. For what its worth, I understand that John Burns used to shoot the 7STW but found it to be a bit finicky so he changed to the 7RemMag. Apparently, this occurred sometime between his first Beyond Belief video and subsequent videos.
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  #5  
Old 01-22-2012, 11:26 PM
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Re: 7mmRem Mag vs 7mmSTW

270 I am currently having a 110 7 rem mag rebarreled for an stw as well. Here is what I ran into and what I am doing (for what it's worth). First and foremost if you have an internal box it's TOO short for the stw. My smith is going to cut a bit from the action and install a remmy box. He's done this before with great success. It will wear a broughton 26" #5 in 1:9 twist for heavier bullets. I am going budget with the stock with a b&c duramaxx with varmint channel. I am building this for my dad as he has always wanted one and we are heading out west for elk this coming fall..... The funny thing is that he has a gorgeous rem 700 in 7mag for a back up......... I win either way because I am going to use it for an antelope hunt in wyoming in october. Bottom line, it's a gift for my father as well as the elk hunt. And yes, we roll our own. hth
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  #6  
Old 01-23-2012, 12:16 AM
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Re: 7mmRem Mag vs 7mmSTW

Thanks for all the input. My next question is can you get factory brass for the stw? And also per the question I hunt mostly whitetails in central and northern kansas so lots of room.
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  #7  
Old 01-23-2012, 12:38 PM
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Re: 7mmRem Mag vs 7mmSTW

Quote:
Originally Posted by 270shooter View Post
Thanks for all the input. My next question is can you get factory brass for the stw? And also per the question I hunt mostly whitetails in central and northern kansas so lots of room.
Yes, you can get both factory brass and high quality factory loaded ammo.

The STW is making a big comeback and with Remington and others chambering for it again that supply is going to steadily increase.

KS with all that wide open prairie ground is a great state for long range shooting so the 7mm STW and 300 Rum were both pretty much built for it.
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