Condition: Pre-owned with low round counts
Genuine SIG SAUER MCX VIRTUS 16" 5.56 NATO complete upper receiver assembly. Factory OEM SIG upper16” barrel (5.56 NATO) M-LOK handguardShort-stroke gas piston systemIncludes BCG and charging handle Compatible with all SIG MCX lowers (virtually plug-and-play) or AR15 with adapte
