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Medium Range Big Game Build

 
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  #1  
Old 10-10-2013, 02:25 PM
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Medium Range Big Game Build

I recently picked up a custom gun for super cheap. I would like to turn it into a medium range elk and deer gun (800 yards) that would be easy to pack. Currently it is .308 with a straight heavy barrel that is way to heavy to pack around. The way it sits currently Remington short action, Jewell Trigger, Mcmillan HTG stock with adjustable cheek rest, Badger Ordinance bottom metal. I was thinking of having it rebarreled to 300 WSM or 7mm WSM in a 24" barrel fluted #5 contour with no muzzle brake. What do you guys think?
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  #2  
Old 10-10-2013, 03:24 PM
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Re: Medium Range Big Game Build

It would depend on which bullet weight I wanted. As it looks like you're trying to keep weight down a bit and no break, I'd go with the 7mm as it tends to have better BC, and sectional density with bullets in the 160-180 grain range.

Nothing wrong with the 300's, but in my opinion, the 300's only really start to shine with bullets 200 grains and up.
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Old 10-10-2013, 04:35 PM
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Re: Medium Range Big Game Build

I have a Remington LTR (20") in .308. I decided to load the 208 Amax just to see what would happen. They are moving 2400 fps and are deadly accurate. Run the numbers with that, but it would fill the bill for a medium game hunting rifle out to 800 yards. I shot a mule deer at 420 this year and it was lights out. Just throwing that out as an option. The only problem is my rifle is a single shot with this load, but lighting doesn't need to strike the same place twice.
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  #4  
Old 10-10-2013, 04:39 PM
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Re: Medium Range Big Game Build

IMO, making an 800 yd elk out of a short action is stretching it a little. It can be done but it's pushing the edge a little. The WSM case is the one that would do best. I would pick the 300 over the 7 because we are talking elk. The 7 can do it but the 300 can do it better and the 300 WSM is very capable of shooting larger than 200 gr bullets very well. With RL17 I pushed 210 Bergers @ 2930 out of a 24 3/8ths barrel. Add 2" of barrel and shoot 215's which are a little faster than the 210's and you're looking @ 3000 fps with a .7 BC bullet.

That said, if you want to load as a repeater and seat close to the lands you'll need a short throat and your bullets will encroach on a lot of case space. I loaded mine out to the lands which prevented putting any more than one down. I was able to put one down with it's nose above the box and have a 2 shot configuration.

If I build a 300 WSM, or any WSM, it will be on a long action. I did just that with a 6.5 WSM on a standard Vanguard action.
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  #5  
Old 10-10-2013, 09:46 PM
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Re: Medium Range Big Game Build

I talked to my smith and he said I would have a hard time seating bullets to mag length without using up case volume with a short action and the wsm case. I think I may just re barrel it to a .308 with a lighter fluted barrel.
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  #6  
Old 10-10-2013, 10:20 PM
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Re: Medium Range Big Game Build

7 wsm or saum- you can run 162 amaxs at saami coal for 2925+ fps & good terminal performance, and you might be able to run Berger 168 classics (no personal experience with them, but they look good so far....)

300 wsm- 208 amaxs at 2900+ will get it done nicely
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  #7  
Old 10-10-2013, 11:07 PM
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Re: Medium Range Big Game Build

Even if you have to short throat it, with the powder capacity loss to fit the mag you will still be smoking a .308 win with any of the WSM or SAUM cases... or the .284 win case.

If it were me I would build a 7 WSM/SAUM with a 24" tube and go kill stuff without lugging a huge rifle or worrying about having marginal ballistics.
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