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7WSM, 300WSM or 300WM

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Unread 10-15-2007, 12:12 PM
Platinum Member
Join Date: Nov 2005
Location: Texas
Posts: 1,845
First start practicing!!!!!! From your post it seems that you are not real familiar with LR shooting---no disrespect intended. Now remember that with the small bullets and placement is key with any projectile but a 250 gr 338 say out of a 338 Lapua would give you a little more margin for error at 800.

Just my .02......

FWIW my long range Colorado gun shoots a 338 Lapua AI and I also have a couple of competition tubes chambered for it.
The Truth Is Not Always Good For Business!!
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Unread 10-15-2007, 09:52 PM
Silver Member
Join Date: Oct 2005
Location: Wyoming
Posts: 382
You're right I do need to practice more. My furthest shots so far was a cow elk last year at 623 yds., a doe antelope at 687 yds. and a prairie dog at 709 yds. The elk was with my 300WM and and the antelope was with my 270WSM and prairie dog was with 223. Not looking to go with anything 338 as I don't want to mess with the recoil. My 300 doesn't bother me but I'm sure the 338 would be more than I want. If it takes a 338 to take elk at that far, then I won't bother and I'll limit myself to 600. What kind of practice do you suggest? I only have time to get out once maybe twice a week. Shoot a lot of prairie dogs with all my rifles and some paper.
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Unread 10-15-2007, 10:01 PM
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Join Date: Jun 2006
Location: buffalo, OK
Posts: 373
300 mag with 190gr bergers gets my vote. Never shot a WSM but a few friends have them, they are good calibers but didn't seem to shoot the heavier bullets very good for them.
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Unread 10-15-2007, 11:37 PM
Bronze Member
Join Date: Sep 2007
Posts: 92

I would go with the 30 caliber. For me long range shooting is out to 600 yards. If you want to shoot the heavier bullet's then go with the 300 WM. If 180 or less then go with 300 WSM.

As far as your belt question. When the WSM first came out it was touted as a more accurate round-over the 300 WM. One of the reasons is the lack of belt. With a belt-the cartridge headspaces off the belt. Without the belt it would headspace off the shoulder, which is suppose to be inherently more accurate. You can headspace a belted magnum off the shoulder, but it is much more difficult.

Below is a picture of my newest 300 WSM. I shoot 155 grain Palma's at 3250(H414 is a great powder). It shoots under 4 inch groups at 600 yards. I will be using it for deer this year. I will limit my shots to about 625 yards. Maybe next year I will be able to extend my range some more, but right now anything over 600 and I have some doubt. Out to 600-LOOK OUT. Tom.

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Unread 10-17-2007, 07:59 PM
Silver Member
Join Date: Nov 2005
Location: south central pa
Posts: 215
in my opinion(which sometimes does not mean much)the belt on the belted magnums is of no hinderance what so point being,i shot 1000 yard benchrest with a 300 weatherby(16.5 lb class).hench a belt.29"hart barrell/standard chamber.there were many 300 weatherby chamberings there.if these guys are using belted cases in competition,accuracy should not suffer.i used redding bushing neck die and ONLY fl sized when bolt started to close hard on cases.the rifle shot better than i best was 10 shots at 9" at 1000 yards.i currently have a savage police model 110 in 300wm.use lee collet dies/cases headspace on shoulder.shoots very well for facory rifle.i would choose the 300wm and 208 amax or 210 smk.i currently am shooting these bullets.just my .02.good luck
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Unread 10-17-2007, 10:31 PM
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Join Date: Sep 2007
Posts: 60
I was just thinking a similar thought, not to hijack the thread, but to stear it or tweak it a bit. I saw a previous post about 7mm Rem Mag versus 7mm WSM.

What are the pros and cons of the above rounds, other than the obvious 7mm Rem Mag being more common, easier to find ammo, etc and the 7mm WSM being newer and somewhat uncommon.

So, would it be difficult to reload ammo and all for a 7mm WSM? It seems like the ballistics would be similar, almost the same to a 7mm Rem Mag.
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Unread 10-18-2007, 12:03 PM
Gold Member
Join Date: Dec 2006
Location: FREE RUN, MS
Posts: 774
Bill, Only difference is the brass and powder choice so if you can get the brass no problem I saw WSM brass somewhere last nigh so I dont see any troubles if thats what you choose to reload....Now my personal choice would be the 7RM maybe that I own one but thats personal choice.

For some reason the short magnums just dont turn me on...Paw in law has a 270WSM in a Browing kicks like a mule compared to my 300WM and my 7RM..hope that might help!
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