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 Vertical Stringing Question
#6092331
12/19/15 08:45 PM
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Joined: Sep 2005
Posts: 2,012
Furb
OP
Veteran Tracker
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OP
Veteran Tracker
Joined: Sep 2005
Posts: 2,012 |
So my 6.8 is vertical stringing, not bad, still under 1" top to bottom on the 5 shot group. ES is about 80 FPS also. Question is would you worry about tweaking the load to eliminate the stringing or just let it be, gun as a 20" AR15. Target is the one on the right.  Side note, the new lot of Varget I got seemed to tighten up the 308 grouping plus added about 30FPS with no pressure signs. Previous best group was around .479". 4 shot group because I only 5 rounds and not 6 so the one off to the side is the fouler/Cold Bore round. 
HHUUMMMM, what to write, what to write, I got nothing.
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Re: Vertical Stringing Question
[Re: Furb]
#6092350
12/19/15 09:14 PM
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Joined: Nov 2007
Posts: 9,516
RiverRider
THF Trophy Hunter
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THF Trophy Hunter
Joined: Nov 2007
Posts: 9,516 |
I'd shoot it at 200 yards or further if I had the place to do it. You might be surprised, or you might be aghast. The truth is you're not going to miss your target at 100 yards with a load shooting like that. If you shoot at 200 or further, though, it might be a different story.
There's some tricky stuff about how barrel harmonics treat trajectories with barrel time variations (as in velocity spread). It is possible to have virtually NO vertical spread at one distance while having several inches of vertical spread at another distance, with the very same load.
![[Linked Image]](https://i.imgur.com/Kqs020H.jpg) "Arguing with you always makes me thirsty." -Augustus McRae
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Re: Vertical Stringing Question
[Re: Furb]
#6092397
12/19/15 10:00 PM
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Joined: Dec 2009
Posts: 5,453
Big Fitz
THF Trophy Hunter
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THF Trophy Hunter
Joined: Dec 2009
Posts: 5,453 |
You might check out the below topic where Chad mentioned some very interesting stringing issues he has experienced with ARs. AR Shot Stringing by Chad
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: Vertical Stringing Question
[Re: Furb]
#6092423
12/19/15 10:24 PM
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Joined: Dec 2008
Posts: 41,160
J.G.
THF Celebrity
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THF Celebrity
Joined: Dec 2008
Posts: 41,160 |
ES of 80, and a vertical string like that, I'd rework the load. And as River Rider suggested, I'd do it farther than 100 yards. Chad likes to use 200, I like 300+, to each his own.
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Re: Vertical Stringing Question
[Re: J.G.]
#6092556
12/20/15 12:09 AM
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Joined: Aug 2011
Posts: 6,173
Tactical Cowboy
THF Trophy Hunter
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THF Trophy Hunter
Joined: Aug 2011
Posts: 6,173 |
ES of 80, and a vertical string like that, I'd rework the load. And as River Rider suggested, I'd do it farther than 100 yards. Chad likes to use 200, I like 300+, to each his own. Agree 100%
The secret to a long life is to try not to shorten it.
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