SIG SAUER MCX-SPEAR LT 16" Upper Receiver Assembly
This SIG SAUER MCX-SPEAR LT complete upper assembly features a 16" barrel and a short-stroke gas piston operating system. Chambering/caliber not specified—please refer to barrel markings/photos for confirmation. The free-floated aluminum handguard provides M-LOK slots with a full-length top rail for optics and accessories.
Factory features include a SIG 3-prong suppressor QD flash hider. Twist rate and muzzle thread pitch vary by caliber/variant—please refer to barrel markings/photos for confirmation. Includes components shown in photos; bolt/carrier appears present, but included accessories (e.g., charging handle/BCG) are not otherwise specified.