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Why 7STW over 300WM?

 
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  #8  
Old 04-28-2013, 03:58 PM
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Re: Why 7STW over 300WM?

Apples to apples bullet comparison would involve sectional density, not bullet weight iny opinion.

Similar to what Broz is doing.
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  #9  
Old 04-28-2013, 04:27 PM
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Re: Why 7STW over 300WM?

Quote:
Originally Posted by Buttermilk View Post
Apples to apples bullet comparison would involve sectional density, not bullet weight iny opinion.

Similar to what Broz is doing.
The SD is important, again the whole point of the STW is speed, you make up for smaller SD with more impact velocity to equal your impact energy. That being said, I've seen quite a few elk dropped in their tracks with a 6.5x55 with a 120gr pill, as always, shot placement is key.
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  #10  
Old 04-28-2013, 04:48 PM
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Re: Why 7STW over 300WM?

The only thing the 7STW has going for it IMO is the cult like following but other than that is has less barrel life and less quality components what's to like?
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  #11  
Old 04-28-2013, 05:40 PM
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Re: Why 7STW over 300WM?

Quote:
Originally Posted by bigngreen View Post
The only thing the 7STW has going for it IMO is the cult like following but other than that is has less barrel life and less quality components what's to like?
At 1,500 rounds my sendero 7mmstw was still putting up .3" to .4" groups at 100 yards. I retired it because I wanted to try a left handed rem in stw that I found. This rifle has over 400 rounds on it already and I've owned it a year and a month; I figure to shoot her out in 5 or 6 years.
I've got a 300 win that has well over 1000 rounds on it (probably 1,300 to 1,500) and she's already given up on a couple of loads she loved when new. The rifling looks better than the stw's did, but I believe she'll need a barrel in less than 1,000 rounds.
They are a horse a piece; you get slightly flatter trajectory with your bullets in the stw but you have more weight in the 300 win. I can get 3100 fps with my 24" barreled stw with a 171 barnes match. I have to push a 300 win to make 2950 fps with a 200-- with a 215-220 it's more like 2800 fps. I've had 3 different 300 wins and no 24" to 26" 300 win will break 2800 fps with a 220 without going over pressure. A longer barrel will go faster, sure, but I refuse to haul one of those through the badlands.
Now, the 300 rum and the 7 stw will be a bit closer. I can still walk my 300 rum with my 7stw as far as drop at 1000 yards even with a lowly 140 accubond at 3400 fps though. My 225's leave my 300 rum at 3000 fps loafing (I may try for more but why beat the rifle up). With a 250 yard zero she'll be 220 inches low at 1000 yards. My 7stw will be right at 203 inches low at 1000 yards with a 250 yard zero. Nearly 10% flatter in my pipes is plenty of reason to hunt the 7stw for me.
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  #12  
Old 04-28-2013, 06:02 PM
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Re: Why 7STW over 300WM?

Quote:
Originally Posted by Lefty7mmstw View Post
I have to push a 300 win to make 2950 fps with a 200-- with a 215-220 it's more like 2800 fps. .
My experience and yours in barrel life of the 300 win v/s the STW differ a lot. But I will offer this, for the next time you shoot a 215 Hybrid. Try H-1000 and a fed 215 in a large capacity case , not RWS brass but WW, Norma or even RP. Anyway, the shorter bearing surface of the only 215 I am aware of (Berger Hybrid O-give) actually allows me to get 30 to 50 fps more velocity than I did with 210 VLD's. At 1 gr less of H-1000 same lot powder and same brass.

How many different loads with 215 Bergers have you tested in your 300 win?

Thanks!

Jeff
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  #13  
Old 04-28-2013, 08:38 PM
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Re: Why 7STW over 300WM?

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Originally Posted by bigngreen View Post
The only thing the 7STW has going for it IMO is the cult like following but other than that is has less barrel life and less quality components what's to like?
Less quality components? Please elaborate.....

If drinking the STW koolaid for the last 11 years is wrong, then I don't wanna be right!

Obviously you've never owned one or dropped any game with one to make an ignorant post like this.
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Quote:
Originally Posted by WildRose View Post
The 284 is to the STW what a tricycle is to a Ninja.
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  #14  
Old 04-28-2013, 09:53 PM
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Re: Why 7STW over 300WM?

Quote:
Originally Posted by MudRunner2005 View Post
Less quality components? Please elaborate.....

If drinking the STW koolaid for the last 11 years is wrong, then I don't wanna be right!

Obviously you've never owned one or dropped any game with one to make an ignorant post like this.
Actually I love all you Koolaid drinkers, keeps the internet interesting. There have been more brass options come on line since I last was around one which is a good thing, I stand corrected. The 7 STW has no advantage over any other cartridge that will run the same bullets, it's just another way of launching them, it's killing capability has far more to do with the bullet and the shooter than the case!

The local gun shop has been sitting on 7 STW brass for years due to it's popularity, I was thinking of buying it and making a 270 STW to launch some new 170gr bullet that need launched faster than my WSM.
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