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Powders for 7mm Remington Magnum

 
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  #1  
Old 06-10-2012, 09:59 PM
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Powders for 7mm Remington Magnum

Going to be handloading for a Remington Sendero in 7mm Remington Magnum. It has a 26" SS fluted barrel with a 9.25 twist. It will be used in two different places, North Florida for Whites from 200-300 yards. Out west for Elk, don't know the yadage out west.

In looking at Quickload, RL-25 seems to be a great powder, but I'm concerned about temperature sensitivity. Started looking at H1000. You don't get the velocities with H1000, but you don't have to worry about temperature swings.

Would like to use the 160 Sierra Gamking for deer.

What are real world experience with H1000 in the 7mm rem mag?

Also recommend a good Elk bullet.
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Old 06-10-2012, 10:09 PM
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Re: Powders for 7mm Remington Magnum

Well the distance at which you plan on shooting an elk will make a difference on bullet selection.

As to powders, Re25, Re22, are beyond excellent in the 7mag. I have used both with great success and I keep a lot of both on hand. I've also loaded plenty with H1000 and some with Retumbo. In my experience, you won't find better velocities than with the Alliant Reloder powders. I've never worried about the temp sensitivities and they've, knock on wood, never failed me.

If you are looking for a great elk bullet at moderate ranges look no further than a 160 Partition.

If you want a long range high BC bullet, for what it's worth, I'm going to be trying the 168 VLD, 180 VLD, 180 Hybrid VLD (all Berger), and the 180 VLD by JLK bullets.

Also, look at cutting edge, matrix, and wildcat bullets.
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Old 06-10-2012, 10:52 PM
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Re: Powders for 7mm Remington Magnum

Quote:
Originally Posted by tomt View Post
.................................................. ....
Also recommend a good Elk bullet.

For ELK I use Barnes MRX and TTSX Bullets and Hornady GMX in my 338WM.

Good luck.
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Old 06-10-2012, 10:57 PM
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Re: Powders for 7mm Remington Magnum

I've used IMR 4350 with 150 Nosler BT (absolutely drove tacks, it was to destructive for me though) 160 Nosler AB (shoots good but could be better)

Rl22 with 175 partitions (they will drive end to end on elk), 162 gr SSTs another tack driving load (but every one of em I recovered was just the jacket, and it didn't seem to matter how far or close the shot or how big or small the animal)

Pretty much anything from 4350 to H1000 will work and work well in the 7mag, just match your powder burn rate to your bullet, with charge densities upwards of 85% case capacity and you shouldn't have any trouble finding a load combo that will make you happy.

Also there's some pretty good info here
7mm Remington Magnum @ www.reloadersnest.com
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  #5  
Old 06-11-2012, 12:03 AM
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Re: Powders for 7mm Remington Magnum

R22 has given me the best AND the worst loads out of the 7mag since it first came out=I no longer mess with it or its big brother R25....Just too lot and temp sensitive.
For that matter H1000 and Retumbo are not much better from lot to lot. Bought a large amount of Retumb to solve that problem...fer now
IMR 7828 and H870 work alright if I know they are going to be shot @ less than 80deg
H4831sc seams to be the most consistant but not the Fastest.

The 160 Partition has alway done well!
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Old 06-11-2012, 09:24 AM
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Re: Powders for 7mm Remington Magnum

I have had good results with both RL-22 and H1000 when loading my Ruger Mark II in 7mm Rem Mag.. For a number of years I used only H1000 because I read an article in one of the gun mags that said that if you really wanted to get the most out of your 7mm Rem Mag that H1000 was the powder to use. I loaded H1000 when I wanted to shoot a heavy bullet(160 grains or above) and was able to get the accuracy and velocity that I expected. However, as the years past I became aware that either Hodgdon changed the burn rate of H1000 or the loads that were listed in my Hodgdon 26th Edition were incorrect. Example: For a 154-162 grain bullet this manual shows a starting load of 71.0 grains. Of course that is way above the max. load listed in newer manuals.

So I moved to RL-22 when I shoot 160 grain bullets, and when I hunted Elk in Wyoming a few years ago my load was a 160 TSX bullet and RL-22 powder. I wish I could tell you how this load performed on Elk, but I did not get a shot. The 160 TTSX bullet would be a better choice but that bullet did not exist at the time.

Later I loaded and shot the 160 Nosler Accubond, and this is the bullet I would use for an all around Elk load. I don't take shots beyond my ability so I keep my shot to under 500 yards and I think this is an outstanding bullet for this. If I were taking longer shots 700-1000 I would consider the Berger bullets.
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  #7  
Old 06-11-2012, 09:49 AM
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Re: Powders for 7mm Remington Magnum

For whitetails, I used 150 gr Btips, IMR7828 and it was great out to 600 yds in the Sendero. No elk in south carolina
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