Iver Johnson Arms Iver Johnson Choke Tube .410 Full Mobil Choke

Iver Johnson Arms Iver Johnson Choke Tube .410 Full Mobil Choke. All Iver Johnson tubes exceed factory specifications. Steel tubes are case hardened heat treated manganese phosphated and then electro phosphate coated to resist abrasion . Lead and Copperplated choke tubes will not withstand heat expansion and are to be used with Iver Johnson bore expanders or other anti-friction accessories. All Iver Johnson full chokes have an elongated knurled out end cap for easy removal. This choke cannot be used with Iver Johnson Parts Direct thread choke adapters. Specifications for Iver Johnson Arms Iver Johnson Choke Tube .410 Full Mobil Choke: Manufacturer: Iver Johnson Arms Fabric/Material: Steel Gauge: .410 Choke Type: Full Gun Make: Iver Johnson Package Contents: Iver Johnson Arms Iver Johnson Choke Tube .410 Full Mobil Choke