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7x57 ballistics & brass

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Unread 09-07-2013, 02:14 AM
Bronze Member
Join Date: Feb 2012
Posts: 50
7x57 ballistics & brass

Is anyone here able to safely drive a 162 gr Amax to 2800 fps?

Which brass are you using?
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Unread 09-07-2013, 03:29 AM
Platinum Member
Join Date: Dec 2009
Posts: 1,332
Re: 7x57 ballistics & brass

According to Hodgdon data, it takes 284 Win or 280AI case capacity to safely reach 2800 fps from a 24" barrel. No way are you going to do that from a 7x57 case at safe pressures. If you go the AI route with a bit longer barrel and just the right powder, maybe. 2700 fps is achievable at modern pressures, though.

I would advise using Norma brass either way. Prvi Partizan might be worth a try, as well. I started out using Remington brass in my Ruger #1A. I am not happy with it.
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