I have a friend that has a A-5 12ga. that he inherited that has a poly choke and the ajustment is broke it has the name on it of Cyclone duo-vent. Wondering if someone has one in their misc. parts box. He would like to keep the the like it was when it received

Check here to see if they have the parts:

http://www.gunpartscorp.com/Ca.../Polychoke-35708.htm

thanks will do.............