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80gr or 75 amax

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  #1  
Unread 02-15-2011, 11:44 PM
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80gr or 75 amax

i cant decide it i want the 80s of 75 in the 223. aiming to hit bunnies at 600 and further if i can manage it. 24inch barrel with silencer.
will the speed added in the 75s make up for the lower bc?
thanks
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  •   #2  
    Unread 02-16-2011, 05:14 AM
    436 436 is offline
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    Re: 80gr or 75 amax

    What twist is your rifle? That's the main factor. I'd run the 80's if you have a 1-8 twist. There pretty close to even at 600 yards.. but...out to 1k the 80gr seems to work better for me. And the 75gr'er would run better with the 1-8 as well.
    Remember, if your going to push the round hard the suppressor will add a little back pressure to your over all peak pressure.
    Good luck.
    436
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      #3  
    Unread 02-16-2011, 11:53 AM
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    Re: 80gr or 75 amax

    yea sorry for not mentioning the twist. its an 8
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