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  1. M

    MDT chassi help

    Hi All I had the same issue fitting a Borden Super Six action. IMO the rear tang area isn't right as the action tang tapers and doesn't make full contact with the chassis unless the action is stressed, that's why when the front action screw is released the front of the action wants to climb out...
  2. M

    Barrel length vs. velocity

    I have just put together a 6.5x47 Tac rifle, I used a barrel off one of my F Class rifles, when it was 30" long 130 VLD's made 2900 FPS, I cut it down to 23" now with the same load does 2820 FPS. Hope that helps. Matt
  3. M

    .260 "replacement" and cases "manufacturing"

    Anything wrong with Lapua 260 brass ???, just pull from the box and reload. Matt P
  4. M

    Caliber Choices - Comparison and Applications

    I used to run a 6.5 x 57 AI in F Class, using 45-46 of 4350 in a 30" barrel it would launch 142 SMK @ 2950ish, barrel life around 2000 rounds, depending on accuracy requirements, case life was excellent using RWS 7 x 57 cases and forming to suit, BUT the same barrel rechambered in 6.5 x 47 using...