SN: MDR003664. Modern production, .308 with a 16″ barrel. Bore is very good. Multi caliber piston driven tactical bullpup rifle with a Mepro MOR orange circle dot optic w/taper switch, two stage flat trigger, forward eject, and ambidextrous controls. Very good condition overall. Comes with a Pelican case, Harris bipod, and conversion kits for .223/5.56mm and 6.5 Creedmoor. The barrel length of each additional barrel includes 1-16″ (.300 BLK), 1-16″ (.223/5.56mm), and 1-20″ (6.5 Creedmoor).