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  1. Mk3Mstr6Mchne0

    Ar10 bolt jamming up on PMag/mag release

    this is kind of hard to explain, I am also pretty experienced with the AR platform, my M5e1 upper is assembled on an 80% lower. When I rack the bolt back on an empty magazine my bolt carrier jams up as soon as the carrier reaches the mag release and mag release area of the mag. It jams extremely...
  2. Gene Rojas

    Slow Aero Precision M5E1 build

    I wanted to build an AR-10/308 in September 2016, but didn't know enough about the AR-10/308 platform to try to build one. I was still trying to find this lower too, but it was sold out wherever I looked. I thought that I would unable to buy a stripped lower in CA in 2017, but the CA DOJ and the...
  3. 2

    Bought an Aero Precision M5E1 Kit

    I purchased an upper/lower combo set from a dealer on 10/18/16. Arrival date to my FFL is 10/28/16. Any other time I bought a firearm from a dealer, shipping was 2-3 days FEDEX or USPS Priority. Considering the lower is registered and shipped to the FFL, shouldn't the shipping time be more...
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