12yo son plinking with a 16" mid gas AR. 12.0 LaRue handguard, older Rock Creek chrome lined "Operator" barrel made for Global Tactical/Denny's Guns in KC MO. Stag M4 upper, BCM bolt group, Vltor Emod stock, Millet 1-4x DMS in a LaRue SPR-E mount, Vortex flash supressor
