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Group size at what range?

 
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  #1  
Old 10-03-2010, 03:59 PM
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Group size at what range?

I am shooting 168 gr bergers with 83.5 grs of h4831 sc in a 300 wtby and can get a nice 1.5" group at 100 yds but when I get out at 300 and 400 yds my groups get 6-8". Have been shooting with a tripod in a sitting postion.
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Old 10-03-2010, 04:42 PM
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Re: Group size at what range?

You are right at my accuracy load with that weight bullet in 300 wby. Usually the groups get smaller (moa speaking) as the range increases. Is the recoil causing the groups to spread because I have seen this many times out of the 300 wby with no brake. If the gun shoots that good at 100 yards I see no reason the gun would not shoot at 300-400. With more info some of the gurus on the site may can help.
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Old 10-03-2010, 11:33 PM
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Re: Group size at what range?

Get off your sticks and your butt and get your belly in the dirt, your groups will shrink dramatically. I have heard many talk about shooting fine groups at long range from a shooting position. This is far more theory then fact for most that talk about it.

To get precision shooting at long range you need to remove your bad effects on the rifle, that means a solid front rest, bipod or bags or mechanical rest and a solid rear bag. All you should be doing is offering a solid support to the butt of the stock and a finger to set the trigger off. Maybe some light control with the off hand to make recoil movement consistant.

Generally groups fired this way will get smaller in moa size as the range increases to some degree but your seeing your effects on the rifle at longer ranges, not the rifles shooting ability.
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Old 10-04-2010, 09:12 AM
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Re: Group size at what range?

I use the 168 vld in a .300 RUM, loaded to 3370-3381 FPS, and find that the bullet starts to "lay down" at 200 yds and has "gone to sleep" at 300. out to 500 meters, the group size remains about 5/8-3/4" . I've never shot paper beyond 500 meters, just 9" gongs ( to 800 meters) and can stay on' em easily.
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  #5  
Old 10-04-2010, 10:33 AM
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Re: Group size at what range?

Quote:
Originally Posted by mnhunter2 View Post
I am shooting 168 gr bergers with 83.5 grs of h4831 sc in a 300 wtby and can get a nice 1.5" group at 100 yds but when I get out at 300 and 400 yds my groups get 6-8". Have been shooting with a tripod in a sitting postion.
Was there suppose to be a question here?
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  #6  
Old 10-04-2010, 10:43 AM
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Re: Group size at what range?

What is your scope magnification?

edge.
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  #7  
Old 10-04-2010, 12:21 PM
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Re: Group size at what range?

Am not trying to start any arguments here, but I use to believe that therory that a bullet goes to sleep until I read a book "Precision shooting at 1000 yards" by Dave Brennan. On page 224 he is ask a question about working up a 1000 yard load and in part of his answer he says "This stuff about a bullet going to sleep and finally settling down out there past 300 yards is so much bullhockey and makes me laugh".
I truely believe some guns just will not shoot some bullets. My sendero won't shoot berger bullets, the only bullets it seems to like are accubonds and 208 A-Max bullets. But I have not shot out to 1000 yards yet either. Just 500 yards.
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