Scope moving

T

Tim Singleton

Member
I was getting all my stuff gone through and cleaned up after the last match. When I realized my scope rings and all had moved forward to the point the front ring was part way off the front of the base.
Feel like an idiot for not seeing what it was doing.
The ring screws were tight. How do I keep this from happening?
 
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What kind of rings ?
What kind of base ?
What caliber and gun weight ?
What scope and tube dia ?
 
did the rear ring stay in place or did both move forward ?

the epoxy trick MAY work, or just pop off. ensure you rough
both surfaces.

if only the scope and front ring moved, then part of the issue is the rear ring was not tight on the scope.
 
So far

The only ones I've had trouble with were panda rails with polished actions. I also always lap and bed the rings to the scope. In my cases, both the rings and scope moved forward. Most of the others that I've seen people have trouble with were the rings and scope moving together. And most were the heavier scopes like the NF BR models. Ymmv.
 
Tim, Place a shim under ring on top of dovetail to move ring dovetail up ring has to much clearance on dovetail
 
As good as you shot at the match I think I might loosen my rings so they can move some I might shoot better ? Hope you fix the problem. And again proud of you and great shooting
 
scott mims said:
As good as you shot at the match I think I might loosen my rings so they can move some I might shoot better ? Hope you fix the problem. And again proud of you and great shooting
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Talk about tunnel vision. I can't believe I didn't notice how far it had moved.
Enjoyed loading by you again. See ya at Dublin
 
George is right about a bit of shim between the ring and the dovetail top surface. Cut down .002, .003 and .004 feeler guage blades work well, as does brass shim stock. Rough up the mating surfaces and use some JB Weld (the 24 hr cure time stuff, not the JB Kwik).

BKL scope riser blocks for air rifles can be used as a recoil lug when butted up against the front of a ring. While they technically aren't correct for a Panda dovetail, they work well once they are epoxied on. Ron Hoehn used to make some Panda spec. riser blocks that I've also used as a recoil lug.

I've posted this before, but here's how I did a recoil lug on one of my guns with removable bases. I've seen the Panda rails drilled for a pin like this, though some could get the sqeamies about doing it...;)

 
Is there an inch # value for the dovetail and scope rings on Kelbly rings ? Also, for Pandas and Teddys with screw in bedding is there a torque figure.

Thanks
Robert
 
Tim, if you are using Kelbly rings on a Panda and the base screws are tightened to Jim Kelblys spec they will not move. His spec is to tighten those screws " just short of stripping"!!! I've got 6 Pandas all sporting Leupold LCS scopes. Never had even one to move.

See me at Roanoke.....

.
 
Tim Singleton said:
Jerry, they are Harrel rings. They do have SS screws. I've used up all my vacation can't make it to Roanoke
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Oh well. I'll get Terry to shooot for you.

The Harrell may be different width by a few thou. Try Jim Kelblys spec. I use the long end of a standard Allen wrench and two fingers tight.

.
 
On Kelblys it's 45 inch lbs on the base and 12 to 15 on the ring.
 
Here's another option. It's a small ss screw and washer that catches the rear edge of the base. This is on my Borden but the hardest to hold, IME, is a hard coat anodized action, like a Stiller Viper. I did this to the ring when I was shooting a Viper drop port. It was tough to hold a NF BR scope on that rail when shooting it as a 30. With a 220 Beggs or a 6 PPC I never had any trouble with just tightening the rings to the base. With a 30, it was a different story. I didn't want to pin it into the action, which would be a sure fix, but might hurt resale value, so I did this instead.20160921_201711.jpg
 
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mwezell said:
Here's another option. It's a small ss screw and washer that catches the rear edge of the base. This is on my Borden but the hardest to hold, IME, is a hard coat anodized action, like a Stiller Viper. I did this to the ring when I was shooting a Viper drop port. It was tough to hold a NF BR scope on that rail when shooting it as a 30. With a 220 Beggs or a 6 PPC I never had any trouble with just tightening the rings to the base. With a 30, it was a different story. I didn't want to pin it into the action, which would be a sure fix, but might hurt resale value, so I did this instead.View attachment 18443
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Thank you for sharing that, Mike
Thats a great idea. Best option I've seen yet
 
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