From what I can see of the rib in the pics it appears to me to be a concave rib & not a swamped one. A swamped rib is one which drops down between the barrels rther than being raised thus level from breech to muzzle. Many early Lefevers are found with the concave form rather than flat.


Miller/TN
I Didn't Say Everything I Said, Yogi Berra