interesting, I think I'd still go with an AR-9 platform with glock magazine. A little more money 140 + 380 + 70 = 590 but no paper work either. https://www.80percentarms.com/products/9mm-ar-9-80-lower-receiver-glock-compatible-black/ https://palmettostatearmory.com/psa-gen4-16-9mm-nitride-1-10-15-lightweight-m-lok-railed-upper-with-bcg-ch.html https://palmettostatearmory.com/palmetto-state-armory-classic-lower-build-kit-without-fire-control-group.html