Upgraded complete 16" PSA upper including BCG and CH. I swapped out the original barrel for a Faxon gunner which improved the accuracy to 1-1.5 MOA with bulk factory ammo and reduced the weight of the upper to only 3.6 lbs. Upper has been used for 1K-1,200 rounds and runs perfectly. Has two spots with scuffs from running drills around barricades a while back (see photos of hand guard and forward assist). $300 cash, would be open to ammo trades as well (9mm at $0.25 per round and/or 223/556 ammo at $0.50 per round). Text if interested 512 2eight9 7200, thanks