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WTS OR Sig m400 300 blackout upper

Discussion in 'Part & Accessory Classifieds' started by ZS27, Jul 7, 2015.

  1. ZS27

    ZS27 Wilsonville OR Active Member

    Likes Received:
    I am selling my sig m400 300 blackout 16 inch complete upper it has had 300 to 400 rounds gone through it and it is in great shape as far as I know it is not possible to get a sig upper by it self. I am selling the complete upper with magpul sights, mil spec charging handle, and bcg. For $600
    Last edited: Jul 7, 2015