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Mossberg 51603: For the ultimate in shooting flexibility, the 590S Series cycles 1.75," 2.75," or 3" shells. Pick one shotshell length for specific shooting needs, or simultaneously load any combination of those shell lengths. The choice is yours with the 590S
Gauge: 12 - Capacity: 9+1; 6+1; 5+1 - Chamber: 3 Chamber with 1.75 Short Shell 2.75 and 3 Cycling Capability - Barrel Length: 18.5 - Sight/Base: Bead - Choke: Cylinder Bore - LOP Type: Fixed - LOP: 13.87 - Barrel Finish: Matte Blue - Stock Finish: Synthetic (Black) - Weight: 6.75 - Length: 39.5