7.5" Adams Arms PDW Upper Questions

Discussion in 'NFA Weapon Discussion' started by osterr1999, Mar 2, 2016.

  1. osterr1999

    Silverton, OR
    Active Member

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    I am considering getting an Adams Arms 7.5" PDW Upper, but was hoping to get some input from some of you SBR guys. I have a 10.5" SBR already and agree that this is an optimal barrel length. That being said, I want something shorter just for fun. I also don't want to here about the short gas uppers and all the issues people have had with them as this is a piston system.

    Does anyone have any experience with this particular upper or with 7.5" piston uppers in general?

    Are they reliable?

    What are the downsides to them other than the noise and the huge fireball when you shoot it?

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