16” carbine upper Listing ID: 3043021

Comes with charging handle, BCG, & Magpul rear flip up.
BCG is phosphate with a chrome lined bore, chromed gas key & billet extractor. It is semi auto cut, otherwise fully mil spec

Barrel is a Carbine length gas system, nitrided PSA barrel w A2 flash hider.
I have a midwest aluminum drop in quad rail i would swap as an upgrade for +$75