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  1. #1
    Advisory Panel Patrick Chadwick's Avatar
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    Yes, it could be the sight calibration, but it could also be a warped stock pulling down at the front end. Easy to check: Remove the upper band. In fact you can only slide it up to the foresight block (the "ears), but that is enough. Has the barrel risen right up in the channel? Since you cannor remove the band completely, slide a bit of felt or cloth between the band and the barrel, so that you can test fire a couple of shot without the rattling band scratching the barrel surface.

    If the point of impact is now several inches higher, then the band was pulling the barrel down, and you will have to rectify that fault before doing anything else. While the band is loose, you might as well remove both handguards and check that there is no contact between the barrel and the wood anywhere along the channel. Now replace the upper band, but not the handguards. If a binding now occurs somewhere between upper band and the barrel shoulder, then the stock is warped and has been trying to bend the barrel around the tight spot.

    If this is all OK, then don't worry too much. As Noro wrote, the ammo used for sight calibration was different, and my M1917 also requires the 200 yard setting for 100 yds.

    Patrick

    Patrick
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    Quote Originally Posted by Patrick Chadwick View Post
    If this is all OK, then don't worry too much. As Noro wrote, the ammo used for sight calibration was different, and my M1917 also requires the 200 yard setting for 100 yds.
    Now I can understand why my No.3's sight has to be set at 300 yards to hit center at 100 yards.

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    Thread Starter
    Quote Originally Posted by Patrick Chadwick View Post
    Yes, it could be the sight calibration, but it could also be a warped stock pulling down at the front end. Easy to check: Remove the upper band. In fact you can only slide it up to the foresight block (the "ears), but that is enough. Has the barrel risen right up in the channel? Since you cannor remove the band completely, slide a bit of felt or cloth between the band and the barrel, so that you can test fire a couple of shot without the rattling band scratching the barrel surface.

    If the point of impact is now several inches higher, then the band was pulling the barrel down, and you will have to rectify that fault before doing anything else. While the band is loose, you might as well remove both handguards and check that there is no contact between the barrel and the wood anywhere along the channel. Now replace the upper band, but not the handguards. If a binding now occurs somewhere between upper band and the barrel shoulder, then the stock is warped and has been trying to bend the barrel around the tight spot.

    If this is all OK, then don't worry too much. As Noro wrote, the ammo used for sight calibration was different, and my M1917 also requires the 200 yard setting for 100 yds.

    Patrick

    Patrick
    Checked the stock, it's not pulling away from the barrel when I remove the upper band. Tight fitting though, so if my POI changes when my barrel heats up, then I'll relieve some wood. Good thinkin' though.

    Mike D

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    The battle sight for the M1917 is set at 400 meters IAW http://www.nicolausassociates.com/PD...t%20Flight.pdf

    Last year I wanted to adjust my front sight on my P14 and was very successful using one of the 12 different sights from the Lee Enfield #4 Mk1, this might be a solution rather then bringing out the file.

  6. #5
    Dan Wilson
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    Uh, I am sure it said YARDs and not meters, but that aside you will see both 400 and 450 documented in various govt documents as to the battle sight setting, Which is right? I just go with 425 and split the difference.

    Dan

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