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7mm Rem. Mag. and 180 grn. Bergers???

 
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  #1  
Old 01-31-2010, 12:12 PM
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7mm Rem. Mag. and 180 grn. Bergers???

I emailed Berger and got some load data already. I'd like to hear what you are loading personally. It seems the velocities I see here are much higher than what Berger is showing. Also, I've seen where some people (on other sites) are loading as much as 6 grns. higher than what Berger shows to be max. I understand that every rifle is different and that you need to start lower and work up to max for your personal rifle.

Kirby is building me a lightweight 7 RM with a 26" barrel. I currently have some H1000, Retumbo, H4831, RL22, Norma brass, Federal GM215M and CCI 250LRM primers.


I've heard that most load data published on the 7RM will be to lower pressures and that you can load it to higher pressures. Is this true with the Berger data as well? I will be careful as I work up. I've just never exceeded max book load on any of the rifles I have.

Any help is greatly appreciated.
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Old 02-02-2010, 12:14 AM
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Re: 7mm Rem. Mag. and 180 grn. Bergers???

Anyone????
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Old 02-02-2010, 01:26 AM
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Re: 7mm Rem. Mag. and 180 grn. Bergers???

68g of retumbo is a pretty popular load. It is pretty stiff and gives you 2950+ MV. I would be careful because much higher and you might see pressure signs. My gun would group them well oneday (.2MOA) at 200yards and then 1MOA the next. Fortunately I ran out of them and I'll go back to the 168's at 3000 fps.
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Old 02-03-2010, 12:09 AM
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Re: 7mm Rem. Mag. and 180 grn. Bergers???

Rem 700 7mmRM
180 Berger
66.0 RL 22
Win Brass
CCI Mag
.060 from lands
3000 fps

If you feel the need to seat the bullet closer to the lands, drop the powder charge on this load significantly.
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Old 02-07-2010, 10:50 AM
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Re: 7mm Rem. Mag. and 180 grn. Bergers???

Thanks. Does everyone else just shoot the 168's? If so, why?
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Old 02-07-2010, 01:48 PM
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Re: 7mm Rem. Mag. and 180 grn. Bergers???

I just shoot the 168's. I get 3087 fps and looking at the ballistics there was not enough difference to go to the 180 grs. I only shoot deer in NZ so there is no need for the extra mass of the 180 gr.

Stu.
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Old 02-07-2010, 03:55 PM
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Re: 7mm Rem. Mag. and 180 grn. Bergers???

I couldn't get the Bergers to shoot as well as the 162gr A-Max bullets. That worked out fine because the A-Max was very accurate and dropped whitetails like rocks. They also cost less & are easy to find.

Definitely worth a try.
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