SHOTGUN: MOSSBERG MODEL 500 SHOTGUN, SERIAL NUMBER V0454871, BLUE, CASE NOT INCLUDED, 18, 12 GAUGE, PUMP Notes: Mossberg 500 ATI Tactical 12 Gauge Shotgun - 18.5" Barrel, Blued/FDE, 5+1 Rounds The Mossberg 500 ATI Tactical 12 Gauge Shotgun combines the proven performance of the Mossberg 500 platform with the distinctive styling of ATI tactical accessories. Featuring a reliable pump-action design, durable construction, and an ergonomic configuration, this shotgun offers a modern look with practical functionality. Chambered in 12 gauge, the Mossberg 500 ATI Tactical stands out with its rugged appearance and versatile design. A solid addition to any firearm collection, this shotgun brings together Mossberg's longstanding reputation for quality and ATI's distinctive tactical styling.