how would a BATFE agent, with a full load of caffeine view, a 13.5 inch barrel with the compensator attached? technically, the compensator is removable, and the true barrel length is less than 16 inches, that is, regarding a gun that did not originate as a pistol...
14.125 correct threads on both ends and fins... from the green mountain barrel webpage
I would not know I just know that they are being made for that purpose also they are welding the comps into place, the threads I read say they are 16"
I am just the messenger
sprat
You have a linky?