Calsons Extended 20ga turkey choke .575" for Mossberg 500, winchester, browing
 

I have a Carlsons ext turkey choke for 20ga Mossberg 500 accu choke or winchester and browing invector (not for invector plus)
Choke has .575" constriction
Lead,Copper,Bismuth or hevi shot can be used in choke (Not for use with steel shot)

Chokes packaging has been opened but never been shot through and is brand new. I have this choke listed on Ebay link is below.
Thanks

http://www.ebay.com/itm/281709692090...9#ht_120wt_900