side mount scope problem


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Hank Zudd
May 28, 2009, 09:31 PM
I just got a Savage 340 in 222 (paid $320); took off the Weaver 4X it came with & mounted a cheap 3 X 9 scope. In boresighting it (thru the bbl) I ran out of room adjusting POA to the right. Gun came with the weaver 2 piece mount. Can I shim this type of mount to take up some of the adjustment?
I would recenter the horizontal adjustment knob on the scope, boresight again after shimming & take up fine adjustments with scope knob.
There are 4 short screws that attach the mount to the reciever, but they don't look like they bite enough as is. Guess I could get 2 longer ones (depending on shim required, if it would work)
Has anyone else had this problem? I know it may be a crappy scope, but I don't have another to put on & I want more that the 4x for this round. thanks (already looked on the 340 thread via search)

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PT1911
May 28, 2009, 09:34 PM
sounds like your mount may be bent.... would be my guess anyway.. I have seen those and those "high rise" see through rings bent with little effort...

Hank Zudd
May 28, 2009, 09:38 PM
man PT, you must have been looking over my shoulder while I was writing this;
Can these be staightened very easily? I may just buy a top piece of the mount & see what happens. thanks

FWIW- just checked the Weaver website & it says the scope may not be centered, when using this mount. So how do I boresight it? Just shoot it at 25 yds, get on paper & adjust? thanks again to all.

PT1911
May 28, 2009, 10:25 PM
you would need to fix the issue before sighting it in.. otherwise with distance changes you will miss greatly to the right and/or left in addition to the a little high or low that comes with various ranges.

as far as how to fix the issue? that is a long standing question and one that has led to many people leaving the side mounted scopes in their past...

the easiest way I can think of would be to determine which way the mount is bent, then, using a vice and 2x4 and a C-clamp (or materials to accomplish the same overall idea, slowly and gently apply pressure in the corrective direction. Mount again, reattempt to bore site and continue until you are happy with it... that method should allow you to fix it without any risk of damage if you take your time...

it is the simplest way I can imagine... though someone may be along later to shoot that idea all to hell...

the definition of a gunsmith is improviser.

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