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RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

 
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Old 04-14-2012, 07:50 PM
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RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

Just got back from range, and wanted to pass along some info on 7 mag with 162 A max, and 168 VLD. Using 64.5-4831ssc, and 162, groups at 100 were .437. When I moves it out to 200' groups ran an average of .582. The rifle is a " stock" 700 LSS, that has 74 rounds down the barrel now. I picked it up in December from a collector, who bought it new in 1999. Gun was unfired. I also shot the 168 VLD, with same charge, but was not as consistent. The VLD shoots amazing in another 7 mag that I have, but so far, not this one. These darn 162 A Maxes seem to shoot in about everything I stick them into. Did not take chronograph with me today, as I was just testing accuracy first. So far, this gun likes, 140 TSX, 154 spire point, flat base, and 162 A Max. I am thinking that due to barrel length, the powder mentioned will yield best velocity, along with RL-19. Any thoughts? Which bullet would be your pick?
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Old 04-14-2012, 08:39 PM
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Re: RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

my best load for the 24" barreled 7mm mag i have is the 162 amax at 3.407" or .010' in the lands, in federal premium brass, with Fed210M primers, and 67.5grns H4831sc. shoots under .4" consistantly and runs an avg velocity of 3055fps. also work good in Win or Norma brass with a .5grn higher powder charge. i have hit close to 3200 with H1000 but ES was horrible, groups sucked, and barrel carbon fouled quick. H1000 works great in 26" and longer barrels with CCI 250s or BR2s.
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Old 04-14-2012, 08:47 PM
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Re: RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

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Originally Posted by backwoods83 View Post
my best load for the 24" barreled 7mm mag i have is the 162 amax at 3.407" or .010' in the lands, in federal premium brass, with Fed210M primers, and 67.5grns H4831sc. shoots under .4" consistantly and runs an avg velocity of 3055fps. also work good in Win or Norma brass with a .5grn higher powder charge. i have hit close to 3200 with H1000 but ES was horrible, groups sucked, and barrel carbon fouled quick. H1000 works great in 26" and longer barrels with CCI 250s or BR2s.
Yea' that's the reason I went with the 4831 too. I felt like I was going to lose to much velocity as well. It works awesome in my 26 inch barrel on my 700p, and my sons Winchester. What do you think of RL19? Thanks for the reply.
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Old 04-14-2012, 08:56 PM
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Re: RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

I normally try to stay away from reloader powders even though there distribution center/factory is less than 2 hours away. i think they are to temperature sensative, and very inconsistant from lot to lot. Imr 7828ssc is another good choice. for accuracy and ES sake i would veer away from mag primers if thats what your using. Imr 4350 is the most consistant powder in that cartridge, but its hard to get any good velocity without pressure.
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Old 04-14-2012, 09:07 PM
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Re: RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

Quote:
Originally Posted by backwoods83 View Post
I normally try to stay away from reloader powders even though there distribution center/factory is less than 2 hours away. i think they are to temperature sensative, and very inconsistant from lot to lot. Imr 7828ssc is another good choice. for accuracy and ES sake i would veer away from mag primers if thats what your using. Imr 4350 is the most consistant powder in that cartridge, but its hard to get any good velocity without pressure.
I have been using Winchester WLR primers and have have great luck with them. I have always felt that you do NOT always have to use a mag primer in a seven mag, or even a 300 win mag for that matter, but after that, you probably are better off. I tried 4350 in a seven years ago, and you are right, accuracy was great, but when I approached my velocity, pressure signs showed up. Thanks for the reply! ( again).
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Old 04-16-2012, 10:24 AM
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Re: RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

.5 groups at 200 is 1/4 moa, pretty dang good. You are right about h-1000 in a 24" tube, your high es was due to inconsistent powder burn, I saw the same thing. 4831 is the perfect powder in the 7mag and anything over 3000 fps is all you can ask for. Good shooting
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Old 04-16-2012, 11:00 AM
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Re: RANGE REPORT, 7 mag, and 162 A Max, and 168 VLD

The 162 gr A-Max also has an accuracy node around 2950 fps. Verified in several rifles. I run 65 gr H4831 with Rem 9 1/2 M in Win brass and get consistant 1/4 MOA out to 800 yards with a 26" barrel. The 168 Berger and 70 gr Retumbo gives the same size groups but run at 3060 fps. It's worth a try in the 24" barrel. I find the Retumbo to be more consistant than the H1000.
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