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  1. Thread: Minimum Velocity

    by dcsys
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    3,900

    Ever seen a study of heavy 5.56 detailing...

    Ever seen a study of heavy 5.56 detailing velocity below which fragmentation is unlikely ?

    I'd also like to know if anyone knows what happens when the velocity drops to handgun energy levels, do...
  2. Thread: Minimum Velocity

    by dcsys
    Replies
    11
    Views
    3,900

    That's how I think of it, however I'm curious...

    That's how I think of it, however I'm curious what the lower limit velocity wise rounds like this become ineffective, is the lower velocity out of a 14.5" anywhere near that point, or is it not an...
  3. Thread: Minimum Velocity

    by dcsys
    Replies
    11
    Views
    3,900

    I know each bullet performance and design is...

    I know each bullet performance and design is different and I think I've seen "minimum expansion velocity" specs on Mfg websites.

    But OTM bullets may not expand, so it would really be "minimum...
  4. Thread: Minimum Velocity

    by dcsys
    Replies
    11
    Views
    3,900

    Minimum Velocity

    I have a 14.5" M4, is there a chart anywhere or a rule of thumb regarding minimum velocity ?

    For example, in my testing with PPU 75gr match ammunition I average 2368 fps.

    Is a 14.5" barrel long...
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