quote:
"Arm chair pundits should look at how the Ithaca locking bolt makes point contact with the barerl extention. EZ to get wear and loosness. Compare with fuller camming contact of Fox locking bolt"

I don't know what boldt cams you've been looking at, so I got out of my armchair. I just measured the depths of the cam hooks on my Sterly, Elsie and NID; all 16 ga.. The Sterly and Elsie measured 9/32"; the NID 10/32.