Misaligned scope base holes

Gun Lover

Gun Lover

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Hi,

I have recently acquired a rifle based on the FN98 Mauser action which has its rear scope base holes misaligned (the rear scope base slants visibly to one side). I would like to know if this is an easy fix (meaning can any gunsmith solve this) and how much money am I looking at to apply the solution? I know the holes would have to be tigged and re-drilled, but is this an ordinary gunsmith job that won't cost me an arm, considering I would probably have to pay 2 way shipping to and from the gunsmith?

Other than my CZ550, which has the bigger magnum action, this is the nicest of the M98 actions I own. Therefore, if this problem is easily fixed at a without spending half of the price of the rifle on it, I would like to keep it. Otherwise, I will speak to the seller about a return.

Thanks for your help.
 
Gun Lover said:
Hi,

I have recently acquired a rifle based on the FN98 Mauser action which has its rear scope base holes misaligned (the rear scope base slants visibly to one side). I would like to know if this is an easy fix (meaning can any gunsmith solve this) and how much money am I looking at to apply the solution? I know the holes would have to be tigged and re-drilled, but is this an ordinary gunsmith job that won't cost me an arm, considering I would probably have to pay 2 way shipping to and from the gunsmith?

Other than my CZ550, which has the bigger magnum action, this is the nicest of the M98 actions I own. Therefore, if this problem is easily fixed at a without spending half of the price of the rifle on it, I would like to keep it. Otherwise, I will speak to the seller about a return.

Thanks for your help.
Click to expand...

There is always the option of a custom mount.. holes drilled to accommodate crooked ones, but allowing base to be straight.. I did it once, another time I had a Parker Hale 1200 done under warranty for same issue at Precision Arms in ONtario
 
That is why Leupold/Redfield made their one piece base with windage adjustment... When I used to drill and tap 98's I always used one of these bases to locate the holes so that option was always there... find a base and see how it lines up...

as for it not being a biggie - it can be. The rear hole/holes made need to be filled and that isn't an easy...
 
well ive run into this many times and how i solve it is i go and buy a threaded rod(full length because you never know when you'll need the rest for another bubba'd mount) and cut small sections of the rod off(about 1/8" long or at least 2-3 treads) then take a dremal cut off disk and score a groove on the top of the threaded rod section to act as a screw head for a flat head screw driver. then carefully screw in until the flush on the inside of the receiver.there should be about a 1/8" deep hole on the outside edge of the receiver with the plug in the bottom.now carefully weld that hole closed with the plug in to act as a base for the weld. then find a friend with a vertical mill and buy him many beers to vise it up and use a center drill to correct it and make the hole strait(you cant do this with grandpa's drill press unless it has a big enough chuck to hold a center drill and has a vise to hold the receiver).good luck its a pain but its worth it

shoot strait

Younggunz
 
Thanks for the answers.

I suppose when you say a Leupold mount you mean the standard twist in mount, right? Can you still use the open sights with those mounts?

I have Weaver two piece mounts now and the open sights are barely visible. I would like to keep the option of using the open sights.

I know the standard mounts would give me some windage adjustability, however with the rear mount being uneven, adjusting the windage will also affect elevation. I also believe I could get the same adjustability by using millet angle-loc rings on the weaver bases.

I guess the most appropriate route would be to have the holes plugged and the action drilled again properly. The new holes would overlap the old ones, though (by something like half a hole), so I guess that might be a little tricky.

I will try to get an estimate for the work needed from a gunsmith, since I don't have a friend with a vertical mill. But if it's too much $ I will just send the rifle back. After all, It was never advertised as having the rear mount holes drilled crooked.

Thanks again for your answers.
 
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