bought a used Beretta O/U for a song and got 2 factory modified chokes. looking for an Improved cylinder and Improved modified. oh and a wrench

This seems to come up a lot. Might want to search it.

Briley is pretty highly thought of in the clay target game.

briley, carlsens, beretta factory chokes are pretty good all depends on what u wnat

I have LOTS of choke tubes but I got on the Muller band wagon a few years ago, and they are great. To be honest, I have some Briley's that I think will out shoot them.

I think it is more of a shell/barrel/choke combination that a straight choke question.

I've had good luck with Carlson's and I don't think you can do better at the price point. I do agree with pullit though that there's a lot more too it though.

Constriction wise - unless you have tubes made to the ID of your particular barrel - it's a guess.

I haven't taken the pattern master extended range out of my sbe2 since I put it in.

smaller shot equals more open pattern. bigger equals tighter

Carlson chokes are quality and affordable, as are Trulock.

Mueller.

Get a #1 and a #3.

No wrench needed.

Expensive, but worth it.