Since this uses a standard AR barrel and barrel nut, you could drop in a 300 Blackout or 6 mm Max barrel for whitetail, right? Boondock Saints evaluation of 6 mm Max vs ARC makes it sound like Max may work with no bolt change:
. If the 7.62x39 mm version is covered by the same FRT entry, you could do a 6 mm ARC or Grendel barrel swap with that version.
