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A2 receiver to flat top

Discussion in 'GATE AR-15 Forum' started by twing21s, Dec 13, 2010.

  1. twing21s

    twing21s action figure

    23
    0
    May 2, 2002
    phila.pa
    Good day all,
    My question may seem a bit elementary to some but I need to ask any way. I have several AR rifles, and only one is the A2 type upper receiver with carry handle. I want to change the upper to the A3 style I noticed that most receivers these days have M4 cuts would this affect the function with out installing an M4 barrel extention? :brickwall:
     
  2. Constructor

    Constructor Moderator

    552
    5
    Dec 10, 2009
    Roaming
    The extension will over-hang the receiver and could catch the tip of the bullet but, you can use a chainsaw file or a dremmel to match the ramps of the extension with the M4 ramps of the receiver.