This Mossberg manufactured 18.5″ Security barrel features a bead sight, cylinder bore, and blued finish. It is compatible with Remington 870 12 gauge models. Note: Not compatible with 870 12 Gauge 3.5″ Magnum models.
Mossberg 90335 OEM12 Gauge 18.50″ Security Barrel w/Bead Sight, Cylinder Bore & Blued Finish, For Use w/Remington 870 (Not Compatible w/Remington 870 12 Gauge 3.5″ Magnum Model)