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Which Magnum for Long Range?

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Which Magnum for Long Range?

Old 04-15-2016, 06:11 PM
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Default Which Magnum for Long Range?

Not sure if I'll pull the trigger on this one or not, but researching a little...

I just pulled a Ruger M77 Hawkeye action (long action w/ Magnum bolt face) with a plan to shoehorn .458 Lott into it - a full 3.60" of 500grn glory.

So then I got to thinking about doing a 7mm RUM barrel for it as well, to make it a little more practical. And thinking about that made me think about my nagging desire to do another 600-1000yrd hunting rig.

If you were going to do a 3.60" magnum cartridge for 600-1000yrd killing of game - not just paper - what would you build? I'm thinking 300 or 7mm RUM right now, on a Rem 700 stainless action, either in walnut or a Mac A3 or 5, shilen tube.
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Old 04-16-2016, 02:42 AM
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338 edge or Obrien will get better barrel life than the smaller rums.
RR
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Old 04-16-2016, 05:59 AM
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A Nosler based 28 or 30. Or open the bolt face and do a 338 Norma.

A 3.6" action isn't long enough for a RUM, imo.
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Old 04-16-2016, 09:16 AM
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Originally Posted by jeepkid View Post
A Nosler based 28 or 30. Or open the bolt face and do a 338 Norma.

A 3.6" action isn't long enough for a RUM, imo.
I don't have one in hand - what's max COAL for a Rem 700 RUM action? Brownells has SS 700 RUM bare actions in stock, over priced, but it's only money...

Been thinking a bit about a 338 - I love the 338WM, but a little extra horsepower might be nice. Definitely a lot of bullet and recoil just for whitetails and coyotes, though.
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Old 04-16-2016, 09:22 AM
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Rum uses a standard long action (magnum bolt face an extractor) it would be the same length as if you had a 300 win mag, 7mm Remington mag, 264 win mag, 30-06, .270 etc. Just like Jeep kid said the COAL of a RUM is too long for these actions. I noticed it when I got my 300 ultra but it isn't that much of a problem if any at all. Just an announce more than anything.
https://support.remington.com/Genera...hort_action%3F

Honestly if you are building one just look for a used Savage action or savage rifle and buy a barrel. The route I went was I bought a Remington SPS 300 ultra and switched the stock out adn the trigger, that trigger is crap. The SPS shoot great at least from the ones I have had. I have not got to shoot the 300 yet do to I am still waiting on my Vortex scope.

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Old 04-16-2016, 10:17 AM
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you can modify the action just a bit and get bottom metal to accept a good deal longer COL
RR
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Old 04-16-2016, 10:52 AM
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Originally Posted by Ridge Runner View Post
you can modify the action just a bit and get bottom metal to accept a good deal longer COL
RR
Yup. I was going to suggest that next. I think a Rem 700 can get opened up to 4.0" right?
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Old 04-16-2016, 10:59 AM
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Originally Posted by Ridge Runner View Post
you can modify the action just a bit and get bottom metal to accept a good deal longer COL
RR
Can this be done by yourself or a Gunsmith has to do it?
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Old 04-16-2016, 12:16 PM
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Originally Posted by Brandon_SPC View Post
Can this be done by yourself or a Gunsmith has to do it?
a wyatts extended mag box extends the col by .110"
an AICS bottom metal conversion will accept COL's of 3.775
the one I just measured came from seekins precision and inside the box measures 3.932, it requires fileing out .013" off the bolt stop, and that much taken off a protruding piece in the rear of the action
though they are a bit pricey.
RR

Last edited by Ridge Runner; 04-16-2016 at 12:39 PM.
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Old 04-18-2016, 07:45 PM
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7MM RM is a good caliber, the rest is up to you.

.......Reload if you want to be a "Wildcat" !!!

Last edited by Sheridan; 04-20-2016 at 08:00 PM.
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