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supersonic

  1. Anthony Laversa

    The search for the perfect barrel, and internal ballistics...

    Ok, so I have spent some time researching the ballistic characteristics of the 22LR. I am interested mostly in internal ballistics at this point. I started with some reading on "accuracy" as it relates to velocity and I have come up with an interesting idea I would like to bounce off the...
  2. darth_ritis

    Which powder for supersonic 300 blackout in 1:7" twist barrel?

    I picked up a rifle in 300 Blackout and am setting up to reload for it. Powder is tough to find (read: impossible) but I'm curious which powder I should be hunting for? Supersonic loads with 125g slugs through a 7-inch twist barrel. I suspect H110 is the king but I'd bet some of you have some...
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