if you manually cycle the gun will it work?
If you have 2 in the mag tube and one in the chamber and fire it will it cycle? (3" or 3.5")
you could always break it down and wash out the receiver in hot soapy water agitating it a lot to break up any old oil that is gumming it up. blow it out with air and then lube it before trying it again.
CPL holder since 1991, NRA Lifetime Member, DU Member, NICET certified
"For those who would give up essential liberty to purchase a little temporary safety, deserve neither Liberty nor safety.—Ben Franklin.”