How do you indenitfy the mossberg chokes.?

Question

I have 3 chokes each having a mark of I , II ,III. unable to locate my manuel and do not know which one is for which.

Answer 1

go to a lake and shoot into the water. find out which one has the largest and smallest spread. or shoot at a paper target about 25 yds away and find out which has the tightest pattern.

Answer 2

Download your manual here:

http://www.mossberg.com/content.asp?ID=5...