Designed for recreational use, this Mossberg 590RM 12-Gauge Pump-Action Shotgun features an 18.5-inch barrel with a matte blued finish atop a synthetic stock with AR furniture. Its aluminum receiver is aircraft-grade, and it has a flat-profile trigger, adjustable MBUS 3 folding sights, an M-Lok adapter, a single-piece heat shield and a cylinder bore choke. Comes with a 10-round magazine. Mossberg 590RM 12-Gauge Pump-Action Shotgun - Shotgun Manual at Academy Sports