USA – Palmetto State Armory has a sale on their PSA 10.5″ 5.56 Nitride Partial Upper for just $159.99 & Free shipping. It is listed as a “partial” since the buy leaves out the charging handle and the bolt carrier group, letting you upgrade those parts in your build.
Barrel: Nitride finished chrome moly vanadium barrel. Chambered in 5.56 NATO, with a 1:7 twist, M4 barrel extension, and a carbine-length gas system. Barrel is is finished off with a classic carbine-length handguard, F-Marked gas sight base, and A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring a mil-spec finish. These uppers are made for us right here in the USA by a mil-spec manufacturer.