Recent content by Vanden Berg

  1. V

    Chambering an AR barrel

    A couple of (hopefully useful) observations, based on almost 40 years of making AR barrels from blanks: The large casehead size bolts are designed for 450Bushmaster and 458SOCOM pressures. Not those associated with 6mmDasher. As an experiment I built a 7mmBR AR barrel, but I load beginning...
  2. V

    crushing case necks when using expander mandrel to open case neck on a 338SS

    338-06 is my preferred hunting caliber. When expanding necks from 308 to 338, I run an 8mm expander in them as an intermediate step. Has worked perfectly. Hope this is useful.
  3. V

    Dividing Head

    Thank you, Sir. Some rifling machines are similar in concept. It’s not rocket surgery. E
  4. V

    Dividing Head

    I use an indexing head to (straight)flute barrels. This fixture is what my shop uses to spiral flute bolts. I designed and built it about twenty-five years ago. It is driven by a rack gear, with a follower/roller that transmits X-Axis travel(via cam plate) of the table to rotational travel...
  5. V

    Dividing Head

    I guess mine would qualify as “old school”. 24 tooth drive gear allows any divisor of(24) number of flutes: 2,3,4,6,8,12.
  6. V

    Same barrel treads

    Remington 700 and large Weatherby MK V use tge same barrel shank threads.
See more

Top