American Tactical Bulldog, Semi-automatic Shotgun, Bullpup, 12 Gauge 3" Chamber, 18.5" Barrel, Matte Finish, Black, Open Iron Sights, AR Style Charging Handle, 3-Piece Choke Tube Set, Adjustable Cheek Rest, Picatinny and M-LOK Rail, 5 Rounds, 1 Magazine ATIG12BDB • Action: Semi-Automatic • Capacity: 5+1 Detachable Magazine • Finish: Black • Sights: FT:Adjustable Post Rr:Adjustable • Barrel length: 18.5 • Overall length: 29.5 • Picatinny Rail Systems /Adjustable Cheek RestBullpup Picatinny/M-LOK Rail Adjustable Cheek Rest • Action: Semi-Auto • Capacity: 5 + 1 • Finish: Matte Black • Sights: Open Sights • Barrel length: 18.5" • 15in Free-Float MLOK Rail/ Ambi Bolt Release