Choke indications ?

[Researcher]

Only the Skeet Guns and the very late Ilion made guns had choke markings.

My December 1940 16-gauge --

241968 01 26-inch, 16-gauge, XJ X = December, J = 1940.jpg

[Bruce Hering]

Thanks. I understand the labeling but wanted to know what choke dimension barrels labeled Skeet In was.

Is it .005 that a given skeet choke on a 12 ga. gun or is it something else ?