Originally Posted by shooter42
i assume you are refering to an Ithaca 37. if i remember correctly it is 1/4-20


Yep, Ithaca. 1/4 x 20 does indeed work, so thanks.

Originally Posted by Cheesy
Why the switch to a hex head?


Much easier to slip a socket on an extension down the hole onto the hex head, to either tighten or loosen. Original square head is 1/2", so the drive end of the extension will fit but then I have to put a vice grip on it. The slot in the head is hard to find with a long screwdriver. Plus, my other 37's have hex heads. Reason for the operation to begin with is that I'm fitting another stock to it.

Thanks for the responses.

The biggest problem our country has is not systemic racism, it's systemic stupidity.