Ran out of windage adjustment?!

Somebody else just posted the same problem about an avenger doing the same thing.Yes You will need adjustable scope mounts.Some people even Shim their scopes. But sometimes you can dent the scope tube by doing that. I’ve personally had mixed results with shimming. Another thing you want to check for is to see if the scope mounts are leaning to one side. Some of them will do that. And if they do just flip them around and remount them. That worked for me on a gun One time.
 
Usually, people run out of elevation adjustments but you shouldn't be running out of windage adjustments. That's mostly a sign of the scope rail not being true to the receiver and barrel. Get adjustable rings or get a new gun of higher quality.

Some others here reported finding "flashing" under the picatinny rail which mis-aligned the rail itself...Flashing I think is sloopy finish work on part of the manufacturer...this one owner sanded the flashing off and all was well. I chose to shim my rear mount because I have done so in the past with success.. this was before I learned about the "flashing".

Rich
 
...Something is definitely not right here.

This 👆👆👆👆

So there are several different things which might be going on:

1) Scope mounting rail not true/centered on barrel;

2) Scope rings themselves not true;

3) Scope rings not attaching to rail in a centered fashion.

One quick thing you may try is to reverse the scope rings from how you have them now - Move front ring to back and back ring to front. You can also try reversing how the scope rings are mounted to the rail (if the mounting bolt head(s) are currently on the right side of the rail, turn them around so that the bolts are on the left side of the rail).

Try these quick things and you may find:

1) No difference whatsoever (then the rail is not true, or how the rings mount to the rail isn't true - maybe due to flashing as called out above);

2) Run out of windage adjustment in the opposite direction - bad rings; or

3 Maybe reversing some things centers the scope better.
 
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So a month ago, I zeroed it in at 25 yards with no issues. After that shooting session, I put it in the padded case and left it in my room until I went to the range again. This past Sunday I put the case in the back seat, drove to the range and noticed it was off so I went to zero it in and came across this problem. The only change I made to the Avenger between last time and this time is the addition of a DonnyFL extender adapter for my moderator which is suppose to help with POI shifts that other Avenger owners were experiencing when bumping or grabbing the Avenger by the shroud around the barrel.
 
Optically zero the scope before you buy anything un-needed, use a mirror very simple.

What do you mean use a mirror?

I put my scope on low power and then put a piece of orange tape at the end of the barrel and then you point the gun at the mirror and the crosshairs should be placed straight through the center of the barrel When you look through the scope. That’ll tell you that you have your scope level and Not canted
 
TNP, what torque did you stop at when tightening the rings? It seems suspect that you have no gap at all between the top and bottom halves (at least from what I can see in the pictures.) I'm wondering if you may have over-tightened the rings and damaged your scope.

-Clayton

I noticed that too. I’ve mounted many scopes for Over 45 years and always had at least a little bit of gap.
 
TNP, what torque did you stop at when tightening the rings? It seems suspect that you have no gap at all between the top and bottom halves (at least from what I can see in the pictures.) I'm wondering if you may have over-tightened the rings and damaged your scope.

-Clayton

I noticed that too. I’ve mounted many scopes for Over 45 years and always had at least a little bit of gap.

My Hawke scope mounts I had prior to these had the gap on both sides when screwed in to the right torque but both my arken mounts have barely to no gap when screwed to the recommended torque. The zeroing issue did not occur during the last plinking session with this exact setup so I'm almost 100% sure the scope is fine.