What choke for 1020 smith and Wesson

[Mo gobbler 870]

Hey guys a buddy has a 1020 smith and Wesson 20 gauge for his boy. He is wanting a better choke but could not find what choke threads I thought maybe win/Browning! Thanks in advance

[Devastator]

Same as a benelli nova,i have one of them 1020 with an Indian Creek 555 and my handloads and it
is a smoking pattern.The choke was in a nova i had set up for my nephew.2007-current beretta/benelli
pre 2007 browning invector.

[Mo gobbler 870]

Ok thanks a lot devastator