Quote Originally Posted by geargrinder View Post
The indentation and pin on the bolthead itself is for the ejector.

The indentation on the bolt body was to make a dimple on the inside of the bolt body. There was a corresponding slot cut into the tail of the bolthead to prevent the bolthead from being installed 180 degrees out.

If you did have the indent/dimple, you could just grind it out with a dremel and make your bolt body "universal".
Sounds like I am good to go, I'll get a headspace gauge, need to anyway.

Russellc