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Black Watch DPT


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  1. #1
    Member
    Join Date
    Nov 2015
    Location
    Waikato
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    103

    900kg proof mark

    I have an aya side by side and the proof mark is 900kg. Any one know what that would equate to in the old school? 1 1/4 oz? 1 1/8oz?
    She is a 12 gauge 70mm chamber

  2. #2
    Member Micky Duck's Avatar
    Join Date
    Apr 2015
    Location
    Geraldine
    Posts
    3,472
    I wouldnt stress about it... there are heaps of older SxSs out there still going strong.... the really tight older shotguns do pattern better with the lighter loads all the same.

  3. #3
    Member Marty Henry's Avatar
    Join Date
    Oct 2014
    Location
    Tararua
    Posts
    3,156
    Thats not the charge weight thats the proof pressure. 70 mm is the shell length 2 3/4. Top charge would be 1 1/4 LEAD shot but start on 1oz trap loads first if youve not used one before. There should be a couple of stars stamped on the barrels too. 1 is full choke, 5 is cylinder. Its common to have one barrel full one half choke or 3/4 1/4

 

 

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