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Just got in an 86 light weight with a Lyman receiver sight coded NI. Windage screw is loose as a goose, to the point it wont hold a zero. Can this be tightened up to hold true?
Strange–usually they’re too tight. Can’t you just zero it, then put a tiny drop of lacquer on the threads? If you later want to change it, lacquer thinner will easily soften it. Locktite would accomplish the same, but it might be harder to dislodge. Seldom do I have any reason to change a windage setting, once zeroed.
Ya guess I could try some type of thread locker. This one is so lose it moves just carrying the gun.
oldcrankyyankee said
Ya guess I could try some type of thread locker. This one is so lose it moves just carrying the gun.
Something’s seriously wrong then–ordinary wear wouldn’t cause that to happen.
clarence said
Something’s seriously wrong then–ordinary wear wouldn’t cause that to happen.
I Agree with Clarence. Either the screw is the wrong size, or possibly, the hole is stripped out.
That screw should fit like a glove, naturally.
oldcrankyyankee said
Ya guess I could try some type of thread locker. This one is so lose it moves just carrying the gun.
Do you mean you can slide the aperture back & forth on the screw by finger pressure alone? Guess it will take more than a drop of lacquer to fix that.
No it moves just fine, no the threads aren’t stripped. It just is the easiest moving windage screw I’ve ever had. Any threaded sight adjustments ive ever had required a small amount of effort to rotate as they were like a class 3 thread tolerance.. maybe just old, oh ya it is, almost 90 years old. lol.
As much as I agree with the Previous suggestions of the Lacquer, and there are several grades of Loctite brand thread “tightener”,
and Believe me when I say I’ve used them all, in several different applications, as the Products are made locally, and I frequent their often for Samples.
Firearms are Different, Naturally, as we all know, especially our Collectibles.
I think I might try a special, “thrust” washer, the kind that is made from Spring steel, and extremely thin,but curves up on both ends, and applies pressure to the locking mechanism, before I tried anything else. It would be very important to get the exact, proper size, and not guess at it. JMO!
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