confusing

Discussion in 'AR-15 Discussion' started by 60tbird, Feb 22, 2009.

  1. 60tbird

    60tbird New Member

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    Is a 20" barrel considered a rifle or carbine? Gas tubes are listed not in length but carbine or rifle.
     
  2. Dgunsmith

    Dgunsmith New Member

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    20" is a rifle 16" is a carbine/M-4 length
     

  3. robocop10mm

    robocop10mm Lifetime Supporting Member Lifetime Supporter

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    Generally a 20" is a rifle and anything shorter (16 or 14.5") is a carbine. Anything longer than 20" is also a rifle and uses the same gas tube.