muzle velocity

  1. F

    What accuracy do you expect from a chronograph?

    What resolution and what accuracy do you expect from a chronograph? For airguns the velocity range is about 400-1,200fps a chronograph with a measuring accuracy of +/- 0.5fps-1fps is great with a resolution of 0.5-1 fps. What about firearms that can go as high as 4,000fps? What level of...
  2. S

    16 Inch Barrel, 69 SMK questions.

    Firstly, this is my first post. I've been a member of the Hide several years now, and thank you, all of you who post here and share what you've learned. Today, I bought my first press. A Rock Chucker kit with everything I need to get started (sans the bench to mount it to). I'm going to be...