257 Roberts Ackley Improved
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#1: 257 Roberts Ackley Improved Author: tdoyka PostPosted: Thu Nov 07, 2013 10:52 pm
i'll be buying a encore in 257 Roberts Ackley Improved, 1 in 10" twist, in a 21" mgm barrel. i happen to have 115gr nosler ballistic tips. will these work? or should i get something different? how does varget or superperforance work?

thanks!!!! Worship

#2: Re: 257 Roberts Ackley Improved Author: Ominivision1Location: Iowa PostPosted: Sat Nov 09, 2013 6:47 am
According to Noslers website, the 115gr balllistic tips will be fine with the 257AI.

Here is a link to 257AI data on Noslers website.


#3: Re: 257 Roberts Ackley Improved Author: chambered221Location: Lost for good !!! PostPosted: Mon Nov 11, 2013 5:24 pm
Assuming we're talking deer.......B-Tips are a excellent choice !!!

I believe Varget will work just fine but you may need a little slower burning powder to achieve top velocities.

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