This is a Springfield Armory Rifle: Semi-Auto known as the Saint chambered in 5.56 NATO|223, model # STE916556B, UPC 706397913649
Model Series: Saint
Gun Type: Rifle: Semi-Auto
Caliber: 5.56 NATO|223
Action: Semi-Automatic
Capacity: 30+1
Finish: Black
Stock: Bravo Company Mod 3/ M-LOK/ 6 Position
Sights: Low Profile Flip-Up Dual Aperture Rear
Barrel Length: 16 Chrome Moly Vanadium
Overall Length: 35.75 Extended 32.5 Collapsed
Features: 1:8 RH Twist/ Modular Trigger System