Need more details. Exactly what sort of cycling problem does it have? Failed to extract / eject, or failed to feed. What shells were you shooting? When and what led to the event? How many friction rings does the shotgun have?I have an old A-5 that has problems with cycling. Everything seems to function correctly. It is a light 12 made in 1956. How do yo know if the friction rings are good . Should I try replacing these first ?