300 blackout pistol build

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      300 Blackout AR Pistol Questions

      I've been looking around for the laws in regards to AR-Pistols In Maryland. Conclusion is: If I do my own 80% lower then I can do any sized barrel length as long as I do not have a stock or Vertical Grip. I know AFG are fine. The buffer tube must be a pistol buffer tube.(Can not easily put on a...
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