RIFLE: SIG SAUER MODEL M400 RIFLE, SERIAL NUMBER 20C072303, BLACK (MATTE), YES - INCLUDES ORIGINAL BOX, SEMI - AUTOMATIC, 5.56 NATO, 16 Notes: SIG SAUER M400 - 5.56 NATO PERFORMANCE **SIG SAUER M400 - 5.56 NATO - SEMI-AUTO RIFLE** * Caliber: 5.56 NATO * Barrel Length: 16" * Action: Semi-Automatic * Capacity: (1) 30-Round Magazine * Finish: Matte Black * Includes: Original Box, (1) 30-Round Magazine * Condition: Excellent The SIG Sauer M400 delivers proven reliability and solid performance in a dependable AR-style platform. This 16" 5.56 NATO rifle is in excellent condition and comes complete with the original box and a 30-round magazine.