Mossberg 590R 12 Gauge 3in Phosphate Pump Shotgun - 18.5in - The 590R Rotary Safety Selector shotguns combine time-tested pump-action performance with ground-breaking new features like a rotary safety selector, an ergonomically-designed forend, and an integrated barrel/heat shield combination. Ambidextrous AR-Style Rotary Safety Selector 18.5in Barrel with Integrated Heat Shield Magpul MBUS 3 Adjustable Sights Enlarged, Beveled Loading Port with Exposed Follower Flat Profile Trigger with smooth, crisp break 5-Position Adjustable Stock withMOE Pistol Grip, Interchangeable Recoil Pad, 2 QD Ports Top Picatinny Rail optimized for AR-Style Optics