The ATI ATIGMB3R S-Beam MB3-R 12 Gauge Pump Shotgun delivers straightforward reliability in a compact, easy-handling package. Featuring a smooth bore 18.5" barrel, receiver-mounted Picatinny rail, and black synthetic stock, this pump-action shotgun is built for practical performance with minimal fuss. The 4+1 capacity and blade front sight provide a simple, familiar layout for a wide range of shooters.

With its 3" chamber, the MB3-R handles both 2 3/4" and 3" 12 gauge loads, making it suitable for home protection, range practice, and general-purpose field use. The fixed synthetic stock and textured forend offer a secure hold, while the rail allows easy mounting of optics if desired. Backed by American Tactical and S-Beam Precision Products, this shotgun reflects a focus on functional design and dependable craftsmanship.

• Manufacturer: American Tactical
• Model: ATIGMB3R / MB3-R
• Caliber: 12 Gauge
• Action: Pump Action
• Barrel Length: 18.5" Smooth Bore
• Capacity: 4+1
• Chamber Size: 3"