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Thread: POI change after cleaning

  1. #1

    POI change after cleaning

    Do you find that the POI changes after the barrel has had a good clean?

    I cleaned mine earlier today and found I had to rezero to get the shots back on target. Group size was same, just in different place.

  2. #2
    In the case of my sauer yes but after a few fouling shots it returns to zero,you shouldn't need to rezero though,doesn't seem a prob with my sako though it just shoots to the same POI clean or not.

  3. #3
    I have to shoot foulers and re-zero after every clean from .25cal up to .300WM.

    My clean is back to metal so a full clean, some people only push a patch through and that suits. Its whatever suits the shooter

  4. #4
    I cleaned with KG 1 2 and 3, fired a few foulers and had to rezero. Usually just put a bore snake after any use and currenlty am cleaning every 150-200 shots.

  5. #5
    After cleaning run a patch through with a little meths on it................I got that tip from another SD member and it works a treat for me...........no change of POI in my Tikka.

  6. #6
    Quote Originally Posted by Cadex100 View Post
    After cleaning run a patch through with a little meths on it................I got that tip from another SD member and it works a treat for me...........no change of POI in my Tikka.
    +1 for the meths tip!

    Simon
    Blindness to suffering is an inherent consequence of natural selection. Nature is neither kind nor cruel but fiercely indifferent.

  7. #7
    Quote Originally Posted by ferretmanabu View Post
    I cleaned with KG 1 2 and 3, fired a few foulers and had to rezero. Usually just put a bore snake after any use and currenlty am cleaning every 150-200 shots.
    Some time back I cleaned my barrel out with KG12 I think it was, the one that removes copper. Anyhow, the short story is that it took about 50 - 60 rounds before my zero came back to where it started and the strange thing was that I got reasonable groups, would rezero, and then they would move again. It looked like a scope fault or a problem with me but in the end it just all settled down and came good and the only logical explaination was that the "deep clean" had somehow introduced problems with a wandering zero for a while. I'm too frightened to put KG12 down my barrel again in case it takes another 60 rounds to shoot it into shape.

    After a "normal" cleaning with some Butch's Bore Shine and a brushing out it takes about 6 shots for my rifle to settle down, but it always comes back to shooting to where it is zeroed. Here are some photos, the first target was shot after a normal cleaning with Butch's and as you can see the 6 shots are a bit wild. The second target shows that shots 7, 8 and 9 have settled down to the zero, ignore 10, 11 and 12 as they were shot at the lower left bull for a different reason:




  8. #8
    steyr prohunter??

  9. #9
    Find POI changes after cleaning need to fire a few shots to bring it back, but don't have to re zero, one of the reasons
    why I very seldom clean mine.

  10. #10
    I have mine zeroed for a clean barrel and clean with bronze brush/copper solvent/dry patch/oil patch/dry patch/ after each outing, if I have taken a shot - that way the zero does not change which works for me but each to his own.

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