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Lower power for better groups???

 
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  #1  
Old 01-12-2003, 10:50 PM
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Join Date: Jan 2002
Location: Wenatchee, WA
Posts: 804
Lower power for better groups???

Just curious, what scope, and on what magnification do you shoot your tightest groups?

For various reasons, I don't have the Leupolds that I did last year, so I've been making do w/ a Sightron 6-24x w/ dot reticle, a Weaver V16 w/ duplex reticle, and a Tasco SS10x42.

The weird (and kind of disturbing) thing is that the tightest groups I've shot, especially out of my .308, have been either w/ the SS10x42 (fixed 10x), or the others set on 10x or 12x, max. And I mean some of these have been downright scary little groups (hey, even a blind hog finds an acorn once in a while). But when I turn the power up, especially to 24x, my groups grow slightly in size, like perhaps 1/4-1/3" bigger.

It's almost like I can't see the bullet holes clearly enough to get *too* excited about them, or something. I mean, I get irritated trying to control the 'wiggle' of the crosshairs at higher powers, but some of my best groups have had a few shots that I would have sworn there should have been a shot out of the group (and yes, the paper was big enough, I doubt I would have missed by that much), but it was almost like I had the special hole-seeking SMKs or something.

Never thought to try lower power when I had the Leupold 6.5-20x and 8.5-25x scopes. The higher power does seem to help at longer ranges, though, as at 300 and beyond I have a hard time holding as tight w/ the 10X.

Anyone else have similar experiences, where their group sizes got *bigger*, at least at 100yds, w/ more magnification?

TIA,

Monte
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  #2  
Old 01-13-2003, 01:21 AM
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Join Date: Sep 2002
Location: Las Vegas,Nv.
Posts: 65
Re: Lower power for better groups???

Something to consider:Virtually every 100 and 200 yard benchrest shooter shoots a 6ppc with a 36 power scope without exception.And these are the guys who need to shoot 5-shot groups in the 1's and 2's every time,or forget about being competetive.
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  #3  
Old 01-13-2003, 01:24 AM
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Join Date: Jun 2001
Location: Palmer, Alaska
Posts: 2,539
Re: Lower power for better groups???

Milanuk,

I have not had that experience, but the opposite. I have shot some great groups when my hold was not exactly pinpoint on the same spot at farther ranges though. An example of power helping out, I shot a group with my brothers 338/378 a while back and it was a 3 shot 1.2 moa group, worst I'd ever seen this gun shoot, and by double damn near. I looked down to see the power set to 5.5x. Turned it up to 22x and shot a .550 moa 5 shot group. I was not using a good rest at all so the 22x helped me really see the movement that was really going on. Ignorance is bliss, I remember being frusterated trying to get a solid rest but just couldn't tame the movement enough, so I just did my best with what I had. The scope at 22x let me time things precicely, where I hadn't even seen the movement before on 5.5x.

I see you're from Wenatchee, reminded me of a time I was hitchhiking back to Alaska through there when I was 16. I about froze my ass off up the road aways near a lake on the left just north of there heading tward Omak. It was 106 degrees that day in late June, that night I thought of surviving the NIGHT! [img]images/icons/shocked.gif[/img]

I had just a wool blanket and summer clothes. I got my Slumberjack mailed to me by mom the next day in Omak. [img]images/icons/cool.gif[/img]

No idea what the temp was that night but DAMN what a temp swing!!
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Brent Moffitt
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  #4  
Old 01-13-2003, 09:13 AM
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Join Date: Dec 2001
Posts: 469
Re: Lower power for better groups???

What about too much power for very long range shooting? For example will there be too much mirage to use a 22x scope at 800-2000 yards on hot days?
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  #5  
Old 01-13-2003, 09:24 AM
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Join Date: May 2001
Location: Lock Haven P.A.
Posts: 1,071
Re: Lower power for better groups???

I run a 6-20 Nikon on my 16.5 pound gun,And a 8.5-25 Leupold LR on my heavy gun.To me 20 power is about the max for me on hot day's.Also barrel heat from my light gun causes some trouble also...There was a few match's last year when I ran around 16 power on my light gun.They were the two worst group's I had all year.....
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  #6  
Old 01-13-2003, 10:08 AM
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Join Date: May 2001
Location: Pennsylvania
Posts: 1,757
Re: Lower power for better groups???

20X to 24X is the average scope setting for 1000 yd match shooting at Williamsport.

Later
DC
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Darryl Cassel
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  #7  
Old 01-13-2003, 06:03 PM
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Join Date: Dec 2001
Posts: 469
Re: Lower power for better groups???

Thanks guys, I haven't used a rifle scope with more than 16x. 22x sounds just right then. [img]images/icons/smile.gif[/img]
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