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What is your favorite 7MM REM Mag Load?

 
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  #8  
Old 08-07-2012, 12:10 PM
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Re: What is your favorite 7MM REM Mag Load?

Quote:
Originally Posted by mgdhunter View Post
The reason for posting is that I am running out of my lot of H870 (which I like) and want to find something that will be close. H870 has been a great powder, and hoping to get close to the same performance from something similar.
funny I still have about 6 -7lbs of it
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Keep in mind the animals we shoot for food and display are not bullet proof. Contrary to popular belief, they bleed and die just like they did a hundred years ago. Being competent with a given rifle is far more important than impressive ballistics and poor shootability. High velocity misses never put a steak in the freezer.

Joe
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  #9  
Old 08-07-2012, 01:55 PM
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Re: What is your favorite 7MM REM Mag Load?

Retumbo is the best powder I have found for the 7Mag. RL 22 is great but very temp sensitive.
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  #10  
Old 08-07-2012, 02:57 PM
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Re: What is your favorite 7MM REM Mag Load?

Quote:
Originally Posted by mgdhunter View Post
The reason for posting is that I am running out of my lot of H870 (which I like) and want to find something that will be close. H870 has been a great powder, and hoping to get close to the same performance from something similar.
Look at the mil surp 872 at hi-tech, pats, wideners, etc. I think one of them even has a lot# of 870 they are selling right now. I'm burning wc872 from wideners in a couple of loads and it is just fine. Like any slow ball, some rifles like it, some hate it.
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  #11  
Old 08-07-2012, 11:13 PM
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Re: What is your favorite 7MM REM Mag Load?

64gr RL22,Barnes 145gr LRX, federal brass, Federal 215 primer seated .030 off the lands. .5" at 100 yds at 3050 fps.

70gr H1000, Barnes 168gr LRX, federal brass, federal 215 primer, seated .040 off the lands. .75" at 100 yds and 3079 fps. Still fine tuning this load, but looks promising so far
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  #12  
Old 08-12-2012, 09:01 AM
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Re: What is your favorite 7MM REM Mag Load?

7mmRemMag Ruger #1, 26" barrel

a) 120 gr Ballistic tip moly, 3.4" 72 gr H4350

3633 fps - 3652 fps measured


b) 150 gr Ballistic tip moly 3.4" 66 gr H4350

3333 fps - 3375 fps measured
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  #13  
Old 08-12-2012, 06:07 PM
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Re: What is your favorite 7MM REM Mag Load?

Quote:
Originally Posted by Clark View Post
7mmRemMag Ruger #1, 26" barrel

a) 120 gr Ballistic tip moly, 3.4" 72 gr H4350

3633 fps - 3652 fps measured


b) 150 gr Ballistic tip moly 3.4" 66 gr H4350

3333 fps - 3375 fps measured
150 GR. NOS PART Hodgdon H4350 .284" 3.270" 55.0 2781 45,700 CUP 57.0 2859 50,100 CUP from the hodgdon site-- why do people always try to load like they have a lot bigger rifle than they have. The above 150 load at 3333 fps is ABOVE 7mmstw spec for the bullet weight. Eventually you will set back your lugs or eat your bolt. I've seen a few gun failures from this stuff. I won't try to blow up my guns. Just don't sit beside me when you do.
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  #14  
Old 08-12-2012, 06:45 PM
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Re: What is your favorite 7MM REM Mag Load?

Lefty7mmstw,
Your concerns are misplaced.

Ruger #1s do not have a bolt.
There are white lies, lies, damn lies, and then there are 7mmRemMag published data.

I work up to the threshold of long brass life and then back off 4% powder charge with that powder.
Those are usefull loads, not silly lawyered up loads that reduce the 7mmRM to less than what the 7x57mm can do with long brass life.

Sheesh.


I also way overload every rifle and pistol design to see what happens.
I take my rifles WAY past the threshold of long brass life.
I know what they are capable, when the bolt yields, and how much.
There are huge amounts of safety margin between long brass life and where the rifle fails.



This is a 7mmRM at QL 108kpsi fired in a VZ24 I converted from 8x57 to 7mmRM
180 gr VLD moly 70 gr Re17 108 kpsi primer fell out
Alliant's max load for 175 gr is 57 gr, so that case was fired with 13 gr extra powder.
I later hunted with that rifle and shot a deer and an antelope in 2011.
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