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Extreme spread / Standard Deviation

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Unread 02-13-2002, 02:16 AM
Bronze Member
Join Date: Nov 2001
Location: Wyoming
Posts: 92
Re: Extreme spread / Standard Deviation

Another thought...
You say that getting the action out of the stock is a chore. It's possible that your recoil lug isn't doing all of the work. Your magizine could be (inconsistantly) absorbing some of the recoil which could induce vertical stringing.
All it takes is One Good Shot!
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Unread 02-13-2002, 10:51 AM
Gold Member
Join Date: Jan 2002
Location: Wenatchee, WA
Posts: 806
Re: Extreme spread / Standard Deviation

Actually, that has been suggested by a few of the locals at the range. Someone asked if it was pillar-bedded, and I didn't know, so I went home to take it out of the stock, as it had been a while. Takes me 5-10 minutes to get the thing out of the stock, *after* the screws are removed. And, no, it's not pillar bedded. The barrel is free-floated, w/ just a dab of bedding material about 1" in front of the recoil lug. It's getting to the point that it may be due for a pillar bedding job this summer, btwn rock chuck in the spring, and my (hopeful) trip back to western Nebraska in August or so.


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Unread 08-21-2002, 09:20 PM
Silver Member
Join Date: Dec 2001
Location: bluefield,va,us
Posts: 339
Re: Extreme spread / Standard Deviation

does anybody shoot a 50 bmg and if so what is your SD and es ? im getting sd 23 and es 59 with good groups.i know the other calibers do better but im shooting 220 plus grains of powder can i get some credit for that ha ha.kind of like going up .5 grains in a 30-06. in a 50 bmg most go up alot more like 2 grains a pop it's still a small % of the powder charge,thanks,keith
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Unread 04-18-2015, 10:00 AM
Silver Member
Join Date: Jan 2009
Location: Cleburne,Texas
Posts: 151
Re: Extreme spread / Standard Deviation

Originally Posted by Darryl Cassel View Post

I agree with you especially on the "MOLY" bullet problems some of the 1000 yard benchrest shooters have had in the past with the stuff..

I think he also has a problem with the chronagraph not reading consistant.

Just a thought.
Darryl Cassel
Amen...borrow a different chronograph
Somewhere Between Ignorance & Arrogance
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