
11.5" Proof Barrel is my keystone for the build. Obviously this will be an AR Pistol build and I have an Aero Pistol Lower that will be used as the lower. Just don't know what way I want to go on the upper. If money were not object, what would you all do? I've got a handful of AR pistol builds already (KAC, Noveske, DD Mk18, 7" PWS etc) so something more custom than those is what I'm looking to do. I'm open to all suggestions so let me know what you all think.

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