The Mossberg 90136 OEM barrel is a genuine replacement barrel designed for 20 gauge shotguns with a 26-inch length and durable blued steel finish.Mossberg 90136 OEM 20 Gauge Barrel26" length with 3" chamber capacityBlued steel finish for corrosion resistanceVent rib design with dual bead sightsCompatible with Mossberg 500 and Maverick 88 shotgunsAccu-Choke system with Full Improved Cylinder and Modified chokes includedAll-purpose smooth bore designPerfect for hunters and shooters seeking a reliable replacement barrel for their Mossberg 500 or Maverick 88 this OEM barrel provides versatility with multiple choke options for various shooting applications.