The Mossberg 590RM Mag-Fed Pump Action Shotgun brings high-capacity, rapid reloads to a proven tactical platform. Featuring a 10-round detachable double-stack magazine, this shotgun eliminates the need for manual shell loading, ensuring faster, more efficient operation. Designed for tactical and security use, it boasts an 18.5" barrel with an integrated heat shield for added protection. The ambidextrous rotary safety selector allows easy access without breaking grip, while the flat-profile trigger delivers a crisp, clean break. Stability is enhanced with magazine engagement ribs for a secure lockup, and the lever-style magazine release enables smooth reloads. The stock base adapter offers five LOP adjustments, is compatible with various stock and grip options, and includes two QD sling mounts. A top Picatinny rail supports optics, and the Magpul MBUS3 pop-up sights make a great back-up when your primary optic malfunctions. The front M-LOK adapter allows easy accessory customization, making the 590RM a versatile and powerful choice.Features: 18.5" barrel with heat shield 10 round double stack detachable box magazine Ambidextrous AR-style rotary safety selector Magpul MBUS 3 adjustable sights Flat profile trigger 5-Position adjustable MIL-SPEC stock with MOE pistol grip Top Picatinny rail for mounting AR-style optics Forward mounted M-LOK bracket