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Point of impact changing

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Berk

36 Cal.
Joined
Sep 22, 2005
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I have hade this rifle for several years (maybe 10) now it is starting to shoot high. I have always aimed fOR center now I have take a 6 oclock hold. This seems to be the case if I am shooting Goex or chinese powder. Just seems strange to me.
 
Wood dryin out maybe, an that can change the way the barrel/tang fit.
Try a good wood/furniture preservative on it.
I use Scot's Liquid Gold Cleaner and Preservative.
I hit all my guns a couple times a year, we have some nasty dry winters here that can loosen things up if nothing is done
 
Check your barrels pin lugs. If they are not slotted, but simply drilled for the pins, that may be the cause. Also check the mortise cut for the lugs in the wood. They too should be longer than the lug to allow the wood to move fore and aft without pressureing the barrel.
 
Berk, I would check everything these fellows have mentioned.
One thing that happened to me as I got older and the front sight got fuzzier is with out realizing it, I was raising the sight higher into the rear notch before I was perceiving the meat of the thing, raising the point of impact. Just a thought.
Robby
 
In as much as I hate to admit it I think that you have probably hit the nail on the head. :doh: Now the question do I take a file to the rear sight or juat learn to compinsate.

Thanks for yor imput.
 
If that is indeed the cause, the lug holes need to be slotted, and the mortises extended. In both cases it usually only requires around 1/32" both fore and aft. If you change your sights, you may find the same problem later on, but in the opposite direction. I would think that the stock has swollen and extended it's length pressureing the muzzle upwards. Later on, it may shrink and go back where it was. If the pin holes and mortises are extended, POI should stay the same no matter the moisture content of the wood. I do agree though, you might want consider your eyes, and also the sun light condition where you were shooting.
 
Oh Yeah!! Plus cataracks. My shots also group higher than they used to. My eye doctor recommended a Merit aperature, which helps a lot, but that sight is still hard to see at times. I also open up the rear sight so it's easier to see the front blade. Nevertheless, I don't win matches anymore, but still try.
 
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