AR15 Lower Receivers

  • M4E1 Lower Receiver vs. Gen 2/X15 Lower Receiver


    The lower receiver is the registered portion of the AR15 that houses many critical components such as the fire control group and buffer assembly. This is generally the part you will want to start with when building an AR15.

    Aero Precision offers two lines of AR15 pattern lower receivers, the X15/Gen 2 Lower Receiver and M4E1 Lower Receiver.

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  • Recent posts

    1. What you will need after buying an AR15 Stripped Lower Receiver


      Kirk from Aero Precision reviews the components you will need for building out your AR15 Stripped Lower Receiver to complete your lower receiver assembly. Components reviewed include the lower receiver, lower parts kit, buffer kit, stock/brace and magazine.

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