jukar .45 kentucky lock info

[frontier gander]

Im thinking about buying an old jukar .45 kentucky rifle, 2 piece stock, flintlock. its in parts and i will need a lock to complete it. what CVA locks will work with this gun? i found 1 on ebay but im not sure if it will fit into the stock. heres the link, if any1 knows if this lock will fit, please let me know either way. If any1 does know what lock would fit and where i can buy 1 PLEASE let me know! http://cgi.ebay.com/FLINTLOCK-LOCK-...204695890QQcategoryZ73979QQrdZ1QQcmdZViewItem