Choke Tubes for Sporting Clays Gun

[Wilmurt]

They are standard Win-chokes.

[Wild Skies]

Gerry, you need Winchoke 3rd series flush mount chokes tubes. Go here and scroll down to the 2nd from bottom paragraph. Chris Showler will deliver them right to your mail box in short order. I've purchased a few of these from him on a couple of occasions.

http://www.doublegunshop.com/showler.htm

[Wild Skies]

A friend and I measured the constrictions of Winchoke choke tubes in one of my Parker Reproduction Sporting Clays Classics, here's what they measure:

Both barrels have a .730 bore diameter.

CYL .000
SK .003
IC .009
M .016
IM .019
F .029
XF .039