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  1. K

    Gunsmithing Resolved: BEST TWIST RATE FOR A 16” 308 BARREL?

    The bore twist rate is a distance measurement. Velocity is time-distance measurement. Thus a bullet revolves one revolution say every 11" and 2945 times in a second (rps) at 2700 fps. Versus 2836 rps at 2600 fps.
  2. K

    Gunsmithing Resolved: BEST TWIST RATE FOR A 16” 308 BARREL?

    Its not the barrel length, but the bullet length that determines the twist rate.
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