The Russian Mosin Nagant Forum

I have a nice, older, Winchester Win Lite shotgun. (model 59) The barrel is thin steel wrapped with fiberglass. This model has replacable chokes. I have alternative chokes but I will be damned if I can get the one that has probably been on it for decades off. I am leary of soaking it in PB blaster because I do not know how it will affect the fiberglass barrel. I have the proper choke wrench and the old choke just does not respond to as much torque as I can apply. Any suggestions?

I would have the same worry, and would use it with the choke in it, or hang it up.

Put some Rem-oil or wd40 on it. Something a little less aggressive than PB blaster.

You could try putting the barrel in the freezer overnight, and see what happens when it warms back up.

WD-40 won't harm the finish. Either that or soak it in Kroil.