The Maxim Defense MD15 Duty 5.56 NATO 16" Black Nitride Threaded Barrel Rifle delivers a clean, modern AR-15 layout built around a lightweight aluminum receiver and free-floated M-LOK handguard. Its 16" black nitride threaded barrel is capped with an A2 flash hider, while the full-length 1913 Picatinny rail offers ample space for optics and accessories. A B5 Bravo stock and textured polymer grip round out a dependable, duty-ready configuration. This MD15 Duty configuration is chambered in 5.56 NATO, uses a semi-auto action, and comes in at just over six pounds, making it easy to handle during extended range sessions or training days. With its ALG field trigger, smooth recoil characteristics, and ergonomic furniture, it is well suited for general range use, training, and practical shooting applications. Maxim Defense is known for thoughtful engineering and durable builds that focus on real-world performance. Key Features: Manufacturer: Maxim Defense Model: MD15 Duty Caliber: 5.56 NATO Action: Semi-Auto Barrel Length: 16" Overall Length: 33" Weight: 6.07 lbs Stock Description: B5 Bravo Muzzle: A2 Flash Hider Barrel Description: Threaded Sights: None Magazines: None