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220, 240 grain Matchking

Discussion in 'Rifles, Bullets, Barrels & Ballistics' started by Nighthawk, Mar 20, 2002.

  1. Mar 20, 2002 #1
    Nighthawk

    Nighthawk Well-Known Member

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    Mar 2, 2002
    What is the highest velocity I can get from a .30-378 with a 26 inch barrel with what powder?
    Thank You [​IMG]
     
  2. Mar 21, 2002 #2
    Darryl Cassel

    Darryl Cassel Well-Known Member

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    May 7, 2001
    Nighthawk

    Depending on which rifle you have (Lot of free bore or not)
    Max would be;
    3100 to 3150 FPS with the 220 and 3000 to 3050FPS with the 240.

    This is a guess as all my 30 cals are at least 30" long and the big 30s such as a 30/378 are 36".

    The Rel 25 and H870 are the powders you may want to try.

    Darryl