WTS/WTT(newbie so info from DPMS and questions on this site) DPMS 16 inch M4 A3 complete preban upper. chrome lined barrel, A2 flashhider , M4 handguard with tac light mount on lower, forged front sight base w/ bayonet lug. chromed bolt/carrier with charge handle. Rround count 250 or so. other than brass on the deflecor, there's a small rub spot on the top of the upper in one of the groves wher the pin from the B-square riser was. asking $400 or would trade toward 20" complete A3 upper. Easiet contact is through IM on this site, since I can acess at work also.