20ga PH-E Question

[Miles Allen]

Newby here - how do I tell what the chokes are on a PH-E 20ga? Many, many thanks with more questions to follow.

[Researcher]

Parker Bros. didn't mark the chokes or the chamber length on their guns, and often didn't even mark the gauge. So, either measure the chokes with a bore micrometer or shoot patterns, draw 30-inch circles and count pellets.

[Miles Allen]

Thank you - and now I know why I cant find them! I appreciate your guidance.