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Old 03-26-2012 | 08:46 AM
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Semisane
Boone & Crockett
 
Joined: Apr 2007
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From: River Ridge, LA (Suburb of New Orleans)
Default Methinks The Lady Doth Need Abedding

My mission Sunday morning was to see how the X7 likes it's new 3x10 Cabals's Powder Horn scope.





I set a target out a 20 yards to get the new scope sighted in and managed to get it shooting about where I wanted with three shots.


Then I put a target on the 50 yard frame and shot five shots with a load I knew the gun liked very well. Here's what I got.





Now that puzzled me a little. Shots 3, 4 & 5 are grouped as I would expect at only 50 yards. But why the heck were 1 & 2 out of group like that? I knew darn well I had a good sight picture and trigger squeeze for those shots.


So I stayed at 50 yards and shot another target. Here it is.





Once again - two different points of impact. At 50 yards from the bench with a scope at 10X all of those shots should be together. Again, they all felt right when the hammer fell.


So I pinned a target to the 75 yard frame and took five more shots.





Now that's really bad. Number 2, 3 & 4 are fine. But 1 & 5 stink. Something has to be wrong. I checked the scope mounts and everything was tight. Could the scope's internals be shifting a little?


Well, let's try a target at 100 yards.





Whoa!!! The gun should be shooting this load into 2" groups or less at 100 yards. Now I know for sure something is wrong.


It may be the scope, but I doubt it. Still, I wish I had brought along the ProDiamond that was on the gun before so I could change scopes just to check.


I suspect the gun is developing a bedding problem. It shot great out of the box for the first hundred shots or so. Then the groups started to open up a little and I noticed a slight side-to-side play of the barrel in the stock even with the two mounting screws cranked down tight.


The groups tightened up again after I put a little bedding on each side of the barrel where you see the blue color in this picture.





I think the little lady is due for a bedding job. My plan is to install aluminum pillars for the two mounting screws,



and fully bed the two recoil lugs and last eight inches of the barrel.




I'm a little hesitant though because the configuration of those barrel lugs may make it a difficult job. I don't want to end up with the barrel permanently glued to the stock.

Last edited by Semisane; 03-26-2012 at 08:57 AM.
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