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Lonewulf
04-15-2016, 12:02 AM
so got a new 20ga for $169
does anybody know what factory removable choke comes in it? been looking online and no good answer yet, says win choke threads
would like to have another choke tube for it also

J.Baker
04-17-2016, 01:19 AM
Everything I've seen is on the 12ga and states they come with a modified choke. Can only assume the 20's do as well (makes the most sense).

Lonewulf
04-20-2016, 08:10 AM
Thanks, kinda what I figured myself but have not had time to look into it any farther

J.Baker
04-22-2016, 03:24 PM
Do you happen to have a means to measure the actual bore diameter? The spec for a 20ga bore is 0.617", but actual diameter is all over the place from manufacturer to manufacturer (especially now that back-boring has become popular for some dumb reason). If you know the actual bore diameter you can measure the choke tube and get a pretty good idea of what the size is.


Cylinder = 0.000" constriction (may also be slightly larger than bore dia.)
Imp. Cyl = 0.005" constriction
Modified = 0.015" constriction
Full = 0.030" constriction