Local Trade-in - Excellent Condition. The MDRX is the most adaptable and ergonomic semi-automatic bullpup rifle. With one of the best triggers of any bullpup rifle and future technology originally developed for the U.S. Army, the MDRX inherits designs for the harshest military conditions. Ultra-compact. Multi-caliber. Perfectly balanced. Intuitively ergonomic. Easy to conceal. Fast to deploy. MIL-STD 1913 Picatinny Accessory rails. M-lok slots on the 3, 6, and 9 o'clock positions of the handguard. The MDRX boasts a shortened overall length without compromising barrel length and muzzle velocity. Easy maneuverability in close quarters or confined spaces, combined with lethality at extended ranges make the MDRX ideal for law enforcement, private security, and personal defense.