LMT complete 16" piston upper. This is the gen 1 piston model circa 2010ish. Upper has approx. 600 rounds though it and was painted. You will see very small traces of paint remaining. Comes with complete LMT piston BCG, LMT iron sights, LMT rail panels, LWRC ambi charging handle, and Surefire 4-prong flash hider (never fired). Overall very well cared for and shoots well for a piston set-up. Asking $1100 with free shipping.