Winchester Repeating Arms SX4 Field, Semi-automatic Shotgun, 12 Gauge 3" Chamber, 26" Ribbed Barrel, Matte Finish, Black, Satin Walnut, Fiber Optic Front Sight, Includes 3 Choke Tubes - F, M, IC, 4 Rounds 511210391 • Action: Semi-Automatic • Capacity: 3+1 • Finish: Matte Black • Sights: Bead • Barrel length: 26 Matte Black Finish On Barrel • Overall length: 47 • Vent Rib/ TruGlo Long Bead Fiber Optic Front SightInvector Plus Choke System Inflex Technology Recoil Pad • Action: Semi-Auto • Capacity: 3 + 1 • Finish: Matte Black • Sights: Fiber Optic • Barrel length: 26" • Overall length: 47" • 15in Free-Float MLOK Rail/ Ambi Bolt Release