Mossberg 590S, Optic Ready, Pump Action, 12 Gauge, 3" Chamber, 18.5" Barrel, Matte Blued Finish, Synthetic Stock, Bead Sight, Receiver Milled for Shield RMSc Pattern Micro Dot Sights, 9 Rounds, Cycles 1.75", 2.75", or 3" 51605 • Pump Action • Capacity: 6+1 (2.5)/ 5+1 (3) • Finish: Matte Blue • Sights: Bead • Barrel length: 18.5 • Overall length: 39.5 • Short Shell Compatible/ 7-Shot Clean Out TubeShort Shell Compatible Optic Cut Received • Pump Action • Capacity: 9 + 1 • Finish: Matte Blue • Sights: Front Bead • Barrel length: 18.5" • Overall length: 39.5" • 15in Free-Float MLOK Rail/ Ambi Bolt Release