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AR Scope concern

 
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  #8  
Old 10-30-2013, 07:58 AM
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Join Date: Oct 2013
Location: Ravenna MICHIGAN
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Re: AR Scope concern

I'm a little late on this one, but according to the calculator I use; with your scope height and for the sake of calculating. A velocity of 2650 and Bc of .400, your 50 yard zero would give you a 190 yard zero. Point Blank of two inches out to 225 yards.
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  #9  
Old 10-30-2013, 12:06 PM
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Join Date: Oct 2011
Location: Montgomery TX
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Re: AR Scope concern

Quote:
Originally Posted by ssgred View Post
I'm a little late on this one, but according to the calculator I use; with your scope height and for the sake of calculating. A velocity of 2650 and Bc of .400, your 50 yard zero would give you a 190 yard zero. Point Blank of two inches out to 225 yards.
Yep, I agree on that, and went to the range yesterday and zeroed it in @ 100 yds. then i fine tuned it and have it zeroes at 200 actually , maybe just a 1/4" low..... The bullet I'm using is a Sierra 150 gr BTPP , W/47 grs. Varget, and I believe its sailing just above 2900 fps I cut one one of my bullet holes at 200 yrds. with this.
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  #10  
Old 10-31-2013, 02:38 PM
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Location: Ravenna MICHIGAN
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Re: AR Scope concern

Wow that's screaming fast! At 2790 I was flattening out my primers.I guess your chamber is a little bit tighter than mine. I have the LR 308C which is chambered in 7.62 NATO so I guess I answered my own question. Anyway congrats on the acurate rifle, mine shoots sub 1/4 moa too with my handloads. Best of luck with hunting bacon.
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  #11  
Old 10-31-2013, 04:36 PM
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Join Date: Oct 2011
Location: Montgomery TX
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Re: AR Scope concern

ssgred,
I worked my loads up from minimum and couldn't get good groups with the 150 gr. below 45 grs ... I got checking the loads for it , and they listed 47 as max; as the most accurate. I was totally impressed with the load. No flat primers or high pressure signs on the brass. I don't even have tool marks on the primers.

Every rifle is different though and the DPMS LR 308 and the Savage 110 308 that I have are fine with it. I just got off the range yesterday and zeroed both rifles for 100 yds ,,, I noticed the shots I took at the 200 yard target, were in or near the bottom of the bulls-eye.
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