a Glock 20 (10mm) Gen 4 upper with a matching number barrel. It has OEM front/ rear sights. It will come with OEM dual recoil spring- NO other parts are included. It will use the same internal upper parts as G21 gen 4. Doesn't appear to be used m
AA AOS cut compact slide AA TiN threaded barrel AA compensator AA stippled X5 tungsten/polymer frame AA trigger AA magwell 3+ 21rd mags PM for pics. $2000
