PWS MK111 Mod 2-M Piston Upper on an ADM UIC Lower

A do-it-all build on a PWS MK111 Mod 2-M long-stroke piston upper with its 11.85-inch barrel, on an American Defense UIC ambidextrous lower with SOLGW parts. A Geissele SD-C trigger and Super 42/H2 buffer tube, a Trijicon Credo 1-6 with an offset Holosun 507C, a DFC Kung Fu grip and an OCL Polonium K round it out.