The MCX platform has long been SIG SAUER’S breeding ground for developing the best rifle system in the world through extensive testing, continued innovation and customer feedback.  Now SIG SAUER introduces the latest evolution with the new MCX-SPEAR LT, based on its predecessor the MCX Virtus the new MCX-SPEAR LT has a lightened handguard with attachment screws for additional rigidity and a lightened profile barrel with improved accuracy.