I wanted to see what I would get without purchasing a specialized turkey choke so I used the factory XX-Full non-ported Mossberg choke (.670). Not outstanding results but definitely good enough for me to hunt with so I'm pleased.
40 yards (10 inch circle - 130 hits):
(https://i.imgsafe.org/4e6af5f.jpg)
40 yards (Turkey image):
(https://i.imgsafe.org/3d94a09.jpg)
(https://i.imgsafe.org/3bc7a53.jpg)
20 yards (Turkey image - pulled the shot slightly low):
(https://i.imgsafe.org/3aa79d0.jpg)
(https://i.imgsafe.org/392dc6a.jpg)