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Accuracy .300wsm vs. .300 win mag

 
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  #1  
Old 04-19-2004, 12:32 PM
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Re: Accuracy .300wsm vs. .300 win mag

From everything I have seen and heard...the 300 WSM is a fantastic choice for the guy that buys factory ammo and shoots the 180's. The 300WM can out perform the 300 WSM in case capacity, and handloaded can be superior to the WSM even with heavier bullets (200's & 220's) Why did you not list the king of 300's, the Remington Ultra Mag? For what your takin' about I'd select that cartridge in a SF Sendaro any day of the year.
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Old 04-19-2004, 01:05 PM
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Re: Accuracy .300wsm vs. .300 win mag

AirBorne

Several years back IIRC Ian McMurchy did an article on on exactly this issue.

The rifles used were both custom rifles, one (300 wsm) was from G-A Precision and the other (300 Win Mag) was a Tactical Ordnance.

Maybe someone has the old article.
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  #3  
Old 04-19-2004, 01:58 PM
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Location: Sask. Canada
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Re: Accuracy .300wsm vs. .300 win mag

I would bet that if you took 100 .300 WSM rifles and 100 .300 Win. mag. rifles, of the same model and shot 100 groups with each rifle - that the WSM average would be a tad better. Same deal, if you did that with the .308 vs the .30-06, the .308 will produce slightly better groups. Big deal. What relevance that has to killing an elk is about diddley.

They are both excellent cartridges. The WSM is capable of equalling the Win. mag with 180 grain factory ammo - both in velocity and accuracy.

Personally, I never used to have any use for the .300 Win. - until I bought one. I thought that if a person is going to shoot something called a magnum, then it had to have Weatherby on it to be a true magnum. That is wrong - you have to hit what you are aiming at with adequate killing energy, that is more important than who designed the cartridge.

Not sure that Remington chambers a .300 WSM yet, if you are stuck on Remington that might be a factor. I would not sell a Win mag to buy a WSM. But if I was looking for a new rifle in that performance area, I would consider one. Personally, I would buy a Win. mag. There are oodles of factory loads, the military has done all the drops and wind drifts, it is a very good cartridge. If you really want a WSM, disregard the previous sentence and go for it. Launching a 180 or 190 grain bullet at a similar velocity from either cartridge results in the same drops and drift.
The Ultamag and Weatherbys are the next notch up - not sure you need that. More performance but more $ to shoot, also a bit harder to hold onto.
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Old 04-19-2004, 11:12 PM
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Join Date: Apr 2004
Location: Los Angeles
Posts: 23
Accuracy .300wsm vs. .300 win mag

Does anyone have any data on what the differnce is in group sizes. I can't decided between the two calibers and I keep hearing the trade offs of both. Talk aboiut confusing you even more. I want to hunt long distance Deer, Elk, Bear I also want to shoot metal targets at the range out to 1K. Sort of a dual purpose gun. It seems that 50/50 is the mix of feelings between these two. The .300 win mag can throw the heavier bullets better from what I am told. what would you do if you did not own either? Thanks in advance. I will be buying a Remington. [img]images/icons/confused.gif[/img]
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  #5  
Old 04-19-2004, 11:24 PM
 
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Re: Accuracy .300wsm vs. .300 win mag

I have a 300WSM that spits the 190 gr SMK's at 2800+ with little or no pressure... that plenty for what you're after.

Deer to 1K
Elk to about 750
Black Bear to 750+

smaller groups really have more do do with the shooter and smith than the calibers you asking about both are accurate.
My 300WSM shoot 6-8" groups at 900 yards from the bi-pod
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  #6  
Old 04-21-2004, 08:30 PM
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Join Date: Mar 2004
Location: WV
Posts: 276
Re: Accuracy .300wsm vs. .300 win mag

Ian M,
I agree with your theory on 100 rifles and 100 groups and so on. That's why so many BR shooters shoot short stubby little cartridges.

But I agree with Chilly Willy's statement, "The 300WM can out perform the 300 WSM in case capacity, and handloaded can be superior to the WSM even with heavier bullets (200's & 220's)."!

And I also agree with Ric Horst's statement that "smaller groups really have more to do with the shooter and smith"!

I believe both calibers are capable of supreme accuracy!

"The Chuckster"
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  #7  
Old 05-15-2004, 07:32 AM
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Join Date: May 2004
Location: Regina, Saskatchewan, Canada
Posts: 2
Re: Accuracy .300wsm vs. .300 win mag

I've been reading alot of posts over the last few days, and learning alot. I've just recently bought my first own high power. I got a Browning A-Bolt Medallion. .300 Win. Mag. BOSS. One of the questions I have is if it's nessasary to clean your barrel as often as some people have claimed. (every 2-3 shots).
Another is, do any of you have problems with the type of lead you're using. I was using a friends 7mm STW last year, and when it hit that deer it made a freakin' mess! I'm wondering if with the hitting power of the .300, if this should obviously be a concern. And do you recommend anything? Thanks.null
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