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  • USMC BDC Turret

    Picked up a bdc turret that is for a S&B and M118LR ammo. Does anyone have an idea of the conditions this bdc was set for, altitude/temp etc?
    Thanks!

  • #2
    A complete guess here, but I'd assume it's U.S. Army Standard Metro which is 59 deg. F, 14.503 psia, and 78 % R.H.

    Comment


    • Orvar
      Orvar commented
      Editing a comment
      I don't know. My guess is based on if they went with a standard atmosphere at all, it would probably be U.S. Army Standard Metro vs. ICAO. It's not based on any prior knowledge of other BDC turrets.

    • Game Warden
      Game Warden commented
      Editing a comment
      Gotcha, thanks. That had me input my muzzle velocity, altitude, humidity, and bullet grain. Then they made me a dual. I asked for the blanket Mark 4 data for the M24 and they acted like they didn't know what I was talking about. Nightforce has a kickass velocity reticle program.

      Sorry for the SLIGHT drift. Thanks.

    • J!m
      J!m commented
      Editing a comment
      Continuing the "spin drift" here a second: GW, were you ever able to get an M24 turret for the Mark 4?

  • #3
    Originally posted by Orvar View Post
    A complete guess here, but I'd assume it's U.S. Army Standard Metro which is 59 deg. F, 14.503 psia, and 78 % R.H.
    I'll see how that compares to what I get once I try it.
    Thanks!

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