Mossberg has teamed with ATI to outfit these models with an exceptional set of coordinated components: TactLite 6-Position Adjustable Stock, Pistol Grip, Heat Shield, Akita® Forend, Receiver- Mounted and Barrel-Mounted Rails, Halo Side Saddle with nine polymer Add-A-Shell Repositionable Shell Holders. – CHAMBER 12GA. 3″ – MAGAZINE TUBE 5rd 2.75″ shotshell capacity – BARREL 18.5″ – CHOKE Cylinder Bore – SIGHTS Winged Post & Bead – STOCK 6-Pos Adjustable / Scorpion Recoil ATI Akita Forend