Msbrg 590rm 12ga 18.5" 10rd Blk

The Mossberg 590RM 12-gauge pump-action shotgun with 18.5-inch barrel delivers proven close-quarters firepower for tactical, law enforcement, and home defense applications. Built on Mossberg's legendary 590 platform, the 590RM combines a robust pump mechanism with modern rail systems and backup iron sights, creating a versatile platform suitable for duty work, training, and operator-preferred configurations.

The 18.5-inch barrel maximizes point-of-aim accuracy at typical engagement distances while maintaining a compact footprint for vehicle and building clearance. The 2.75-inch chamber accepts standard 12-gauge ammunition across the full spectrum of loads—from less-lethal training rounds to full-power buckshot and slugs. A top-mounted Picatinny rail enables the mounting of red-dot sights, magnified optics, or night-vision devices; the included flip-up backup iron sights provide a mechanical zero-light aiming solution. The matte black finish resists corrosion and glint, critical for tactical environments. The collapsible stock allows rapid LOP (length of pull) adjustment for operators wearing body armor or transitioning between shooting positions, while the integrated heat shield protects the operator's support-side hand from barrel heat during sustained fire sequences.

The 590RM is purpose-built for professionals and serious enthusiasts who demand reliability under stress. Law enforcement and correctional agencies rely on the 590 series for forced-entry, cell extractions, and patrol duty. Private security, armed civilians engaged in home defense, and competitive shooters value the 590's inherent durability, ease of maintenance, and aftermarket support. The 10-round magazine capacity on the 590RM provides adequate firepower for most engagements without excessive length.

Mossberg's pump-action shotguns have set the industry standard for reliability and cost-effectiveness. The 590RM builds on decades of proven performance in field conditions, offering the ergonomics and accessory compatibility modern operators expect while maintaining the legendary robustness the platform is known for.