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picking a new caliber

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Old 01-12-2013, 05:41 PM
Platinum Member
Join Date: Dec 2009
Location: NW MT
Posts: 2,559
Re: picking a new caliber

You already have the 338 LA,and you could shoot it out then improve it.300 win is great also.So why not get a 7mm for more of a deer rifle like you say,lots of good bullets to go with.
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Old 01-12-2013, 11:08 PM
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Join Date: Sep 2005
Location: Central AZ
Posts: 895
Re: picking a new caliber

PM sent. You should know that there are two variants of the Allen Magnum in the 277 caliber. If memory serves me correctly, the 270 AM was initially based on an improved 300 Dakota rifle case. The 277 AM was (and still is) based on an improved 338 Lapua case. Sometime back, the parent case for the 270 AM was switched over to the 300 RUM case. I can't speak for the 270 AM crowd, but my 277 AM is a fast, sweet shooting rifle. Anymore, I won't build a caliber that isn't supported by Lapua brass. It is that good.
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Old 01-12-2013, 11:43 PM
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Join Date: Nov 2008
Location: SW Montana
Posts: 4,438
Re: picking a new caliber

Originally Posted by TheFishBox View Post
So I want to build another custom and I am kicking around the idea of a 270 allen magnum 7mm allen magnum or just going big with a 338 or 375 allen. So if you have experienxe with theses calibers can you please give your two cents and maybe a list of pros and cons. I already have a 338 lapua and a 300 win mag and I do reload. I hunt elk and deer but am kinda liking the idea of a fast 270 for deer but if berger gets the new 7mm off the ground who knows. Well I hope someone can shed some light on this for me.
You definitely picks some top end stuff! I really liked every AM I've gotten behind but there is some lack of fodder for the smaller cals. The 270 is one of the favorite cals but as it stands there are almost no interesting bullets that will survive the launch of the 270 AM, hopefully soon we'll see a couple but a 150 ballistic tip just doesn't hold much for me, a .700 BC 170 bullet however is cool but not a reality yet.
The 7mm seems to suffer the same as the 270, light bullets fast just don't hold much interest but there may be some bullets coming just nothing shown yet.
The 338 starts getting me excited, there are some bullets that will take the launch and have ballistic qualities that are most interesting, bullet selection real makes it stand out IMO!
The 375 is, well a 375, how awesome is it to watch basket ball size rock vaporize through the scope!! Shooting it is like eating potato chips, you can't shoot just one, it's crack for horse power junkies!!! But it has limited bullet options without going to specialized lathe turned $$ bullets.
Purely my personal take, I don't own one I just shoot everyone I can get my grubby hands on but I will have a 375 AM
High Fence, Low Fence, Stuck in the Fence, if I can Tag it and Eat it, it's Hunting!

"Pain is weakness leaving your body"
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Old 01-13-2013, 10:47 AM
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Join Date: Nov 2010
Posts: 168
Re: picking a new caliber

thanks for the replies these are the kinda things I want. To hear just personal opinions on rifles so if you have one or even shot one before just tell me how you felt or feel about it
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Old 01-18-2013, 11:06 PM
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Join Date: Nov 2010
Posts: 168
Re: picking a new caliber

Does anyone else have opinions on these calibers? And what is the downside to the 375 magnums if any.
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Old 01-18-2013, 11:16 PM
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Join Date: Jun 2004
Location: Worland, Wyoming
Posts: 569
Re: picking a new caliber

The only thing I don't like about the smaller calibers is going to be the barrel life. The 7mm Rum has gotten a reputation for only having a barrel life of around 400 rounds. Just too short for my taste. Since you already have a 338, I would have to say go with a 375. If I get the chance for another build, that is what I will probably go to unless Africa looks in my future, but at this point I am lucky to buy fuel to hunt close to home.
Remington model 700 300 RUM LH 26" rem ss/blued receiver lam stock 215 Berger @3025/180 NAB @3300
Remington model 700 338 RUM LH 27" Broughton 5C 225NAB@3300 /300gr Berger@2830
Savage LH 22-250
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