Iver Johnson Arms Iver Johnson Choke Tube 20ga. Modified Mobil Choke

Iver Johnson Arms Iver Johnson Choke Tube 20ga. Modified Mobil Choke. shotguns is built to be highly durable and efficient. This choke tube from Iver Johnson Arms is ideal for use with lead shot in all constriction types. This Iver Johnson Arms shotgun choke tube uses a high strength steel constriction and can be used with any shotgun from break open shotguns to duplicating shotguns. Iver Johnson 20ga. Modified Choke Tubes also help to reduce recoil which is one of the major causes of choke tube