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Nightforce/ ruger mod 77

 
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  #1  
Old 12-21-2012, 09:22 AM
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Join Date: Mar 2012
Posts: 9
Nightforce/ ruger mod 77

Has anyone experienced an issue using a nightforce on a ruger with ruger's mounts? I recently mounted one and i can't get it to group.
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  #2  
Old 12-23-2012, 12:25 PM
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Join Date: Dec 2009
Posts: 872
Re: Nightforce/ ruger mod 77

You really need to provide more information than that. Was the rifle grouping OK before the Nightforce? What makes you think the problem is scope related? What is your group size @ what distance? What do your groups look like? Round? Horizontal stringing? Vertical stringing? Double grouping?

The more complete the description of your problem, the better.
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  #3  
Old 12-24-2012, 05:29 PM
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Join Date: Mar 2012
Posts: 9
Re: Nightforce/ ruger mod 77

Had a leupold x-2 on it before. grouped awesome! 1" @ 100 yrds. Currently is is spraying. 100 yrd groups cover 14". Nightforce tells me the scope is too heavy for the ruger mounts. They want me to put a rail on and use their rings. Evidently there has been an issue in the past between the 2. I live about 5 minutes from Nightforce. My wife works there. guess i will put it on something else THANX!
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  #4  
Old 12-26-2012, 06:26 AM
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Join Date: Nov 2012
Location: Copper Basin, Alaska
Posts: 707
Re: Nightforce/ ruger mod 77

It sounds like loose mounts or the bell of the scope touching the barrel. Are you using the high Ruger dovetailed rings. What scope do you have in the rings?
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  #5  
Old 12-26-2012, 09:27 AM
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Join Date: Mar 2012
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Re: Nightforce/ ruger mod 77

am using high in the front and ultra high in the rear, objective clears the barrel by 3/8" the dovetail bolt is torqued to 65 in.lbs, the ring screws are torqued to 30 in lbs. took the scope back to nightforce. they went thru it; scope is fine.....
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  #6  
Old 12-26-2012, 04:34 PM
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Join Date: Nov 2012
Location: Copper Basin, Alaska
Posts: 707
Re: Nightforce/ ruger mod 77

Did you change loads or go to a real long bullet?
I've used 40-50 different sets of Ruger rings and have always thot of them as about the strongest ring/ mount system available. What caliber rifle is it on?
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  #7  
Old 12-26-2012, 08:28 PM
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Join Date: Mar 2012
Posts: 9
Re: Nightforce/ ruger mod 77

It is a 7mm rem mag. The night forcce is an nxs 3.5 - 15 x 50 with the moar. currently shooting 65 gr rl-22 with cci 250 primer and 160 gr speer btsp. had been running 63 gr imr 4831 with the same bullet and primer. the rifle only has about 300 rounds thru it. I don't want to grind off the dovetails and pua rail on it. My wife does the shipping at nightforce. the scope was gift last summer and the rifle she gave to me a number of yrs ago. When I had the leupold on it actually grouped quite well, 1" at a hundred. Was starting to think the barrel was fouled, cleaned the crap out of it. still scatters holes. am using a concrete bench with a lead sled. can't get any steadier. guess i shouldn't have broke up a winning pair.
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