Send it to the factory or a trained factory armorer
Yes, you can remove the barrel of a model 66 Shotgun!
A shotgun barrel length or rifle barrel length starts at the point where the rim of the case touches the shoulder of the chamber and extends to the tip of the muzzle. In most cases, if the barrel is threaded on, yes it would include the threads. lcj
with a hacksaw
Who made it? Is it a shotgun, rifle or handgun?
Adjust? You mean to remove or tighten? There is a threaded tightening bolt right in front of the receiver over the barrel.
hire it done.
If it is a double, remove barrel and you will see it along with serial #.
with a torch
To remove the barrel choke on a Mossberg 600AT shotgun, first ensure the shotgun is unloaded and clear. Use a choke wrench or a suitable tool to unscrew the choke from the barrel’s muzzle. Turn it counterclockwise until it is completely free. Once removed, you can replace it with a different choke or leave it as is, depending on your preference.
No it does not.
Mine is externally threaded on the barrel. The sight is a set screw to lock it in place. It is also has solder in the threads
you cannot remove it. it is all in one with the receiver frame