Adams arms by Statistic9000 posted Feb 25, 2016 at 3:38 PM NIB Adams Arms carbine length 16" piston AR-15 upper. I am also throwing in a Magpul MOE carbine length handguard in black. It comes with one 30 round ASC magazine. $500 OBO. Also willing to trade for stripped AR-15 or AR-10 lower plus cash.