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Sub sonic ammo

Discussion in 'General Firearms Forum' started by glocked1, Feb 13, 2012.


  1. glocked1

    glocked1
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    Is firing sub sonic ammo through a non suppressed firearm any quieter than firing ammo that is over 1100 fps (roughly)?
     
  2. eracer

    eracer
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    Where's my EBT?

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    There are two components to the noise a firearm makes (three if you count the noise of the action.)

    1. Muzzle blast
    2. The sonic boom a supersonic bullet makes.

    A suppressor reduces the first, but does nothing about the 2nd.

    If you shoot a subsonic round you don't get the sonic boom.
     

  3. M2 Carbine

    M2 Carbine
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    Yes it's quieter.
     
  4. ronin.45

    ronin.45
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    It's quieter, but it can be hard to notice without a can. The muzzle blast can drown out the sonic crack for the shooter. It would be more noticeable for people farther from the gun.
     
  5. FEDLEO

    FEDLEO
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    Spread Out!

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    Short answer here. Yes it is