Mossberg 590RM, Pump Action Shotgun, 12 Gauge, 2.75" Chamber, 18.5" Stand-Off Barrel, Matte Finish, Black, Collapsible Stock, Heat Shield, Top Picatinny Rail, 1 Magazine, 10 Rounds 50218

590RM 12 GAUGE PUMP ACTION SHOTGUN

These 590RM shotguns are the latest additions to Mossberg’s magazine-fed tactical lineup. They utilize the first production double-stack magazines made for pump-actions—providing more efficient capacity vs. length than competitive designs. Plus, they combine time-tested Mossberg durability with ground-breaking new features like a rotary safety selector; a compact, ergonomically-designed forend, and an integrated barrel/single piece heat shield combination.

FEATURES:

• 12 Gauge, 2.75" Chamber, 10+1 Capacity
• Ambidextrous AR-Style Rotary Safety Selector
• Stock Base/Adapter is compatible with other Grip designs; Accepts Mil-Spec stocks; Offers 5 Positions of Adjustment; 2-Sided QD mounting ports
• 18.5" Barrel with Integrated Heat Shield; Available in Standard and Standoff versions
• Flat Profile Trigger w/Smooth, Crisp Break
• Adjustable Stock with MOE+ Pistol Grip, Interchangeable Recoil Pad, QD ports
• Top Picatinny Rail optimized for AR-style optics, Provides superior sight alignment
• Standard Pump-Action features: Dual Extractors, Positive Steel-to-Steel Lockup, and Twin Action Bars

590RM Magazines:

• Stabilizing ribs on the magazine engage the receiver for secure lockup when mounted
• Lever-style magazine release and mounting guide
• Accessory magazines available in 5, 10, 15, and 20-round capacities

SPECIFICATIONS:

• Gauge: 12 Gauge
• Chamber: 2.75”
• Capacity: 10 Round
• Barrel Length: 18.5” W/Integrated Heat Shield
• Barrel Finish: Matte
• Sight: Picatinny Rail with MBUS Sights or Picatinny Rail Only
• Chokes: Accu-Choke Cyl. Bore or Breacher
• Stock/Forend: 5-Position Adjustable Stock W/Interchangeable Pad, MOE Pistol Grip, Compact Forend