Barrel removal causes zero shift

Home Forums AirForce Talon/Talon SS Barrel removal causes zero shift

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  • #538
    triggerman
    Participant

    Tonight I removed my baffeling and barrel, drilled holes in the front bushing along with holes in the frame underneath the forearm. Put everything back together and shot the gun to discover my zero had shifted drastically, low about 3 inches and left 1 inch @ 30 yds.

    Spent the next few minutes re-zeroing the rifle. Is this something that will happen when the barrel is removed and then reinstalled ?

    #25678
    shadoh
    Participant

    yes

    #25679
    teflontron
    Participant

    Yes, it will always shift (might be big, might be small). It’s due to the small and subtle changes such as different torque on the screws, etc.

    #25682
    triggerman
    Participant

    OK thanks. Any other do-it-yourself tricks I may can do to make it quieter? It is way better than when I first got it, but still a bit loud. Shooting on about the 8 dial setting and getting an average of about 780-790 fps with Kodiak heavies.

    So far now, I have drilled the front bushing, perforated some holes in the bottom of the shroud underneath the forearm and have made baffels out of some hair rollers with green brillo pad wrapped around them, filling up the space from the front bushing to the end cap.

    Thanks to all you guys and the info I am getting here.

    #25769
    walkonking
    Participant
    quote Triggerman:

    OK thanks. Any other do-it-yourself tricks I may can do to make it quieter? It is way better than when I first got it, but still a bit loud. Shooting on about the 8 dial setting and getting an average of about 780-790 fps with Kodiak heavies.

    So far now, I have drilled the front bushing, perforated some holes in the bottom of the shroud underneath the forearm and have made baffels out of some hair rollers with green brillo pad wrapped around them, filling up the space from the front bushing to the end cap.

    Thanks to all you guys and the info I am getting here.

    You probably have it as quiet as it will get until you add a shroud.

    Well if I put this shroud from Tony on my SS it does add 8″ but the gun is totally silent. All you hear is the hammer….no air..

    #25780
    airgunner
    Participant

    Hmmmmm, wonder if something like this would help with the consistency of screw tightness…
    http://www.sportsmansguide.com/cb/cb.asp?a=347661

    #25783
    tom-kirkman
    Participant

    It would definitely help in always getting everything back to the same place.

    We’re shooting guns with tiny pellets to what amounts to long distances (for the size and scale) and even a very, very slight difference in positioning of the barrel when it’s removed and reinstalled can throw the POI way off once you get downrange.

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