Have an upper for sale. Has a rosco 13.7 mid gas stainless barrel, barrel was part of the sauce pack they offer. Rosco BCG, gas tube, & gas block. It sits in a vltor mur upper with forward assist. Rail is a forward controls design 12.8 mlok in green cerakote. Muzzle device is a son's of liberty nox. Trajectory arms put this together, the gas block is pinned & the nox was permanently attached. Trajectory arms also welded the ports closed on the nox at my request. Pretty slick upper, low round count, mostly suppressed slow fire. Looking for $625 shipped, have well over $1,000 into it. Check or postal money order for payment. Please email Greeneconstruction@ymail.com pics. Thank you.