[Dave Miles]

Originally Posted by Mills Morrison

I would order a choke gauge. Here is a link.

http://www.csmcspecials.com/Brass_Ch...ge_p/t0251.htm

These choke gauges are a waste of money.
You still have to know the nominal bore size to determine choke.
Better yet, pattern the thing and count the pellets. Then you'll know exactly how it's choked for that particular load.