Quote:
It also has the spring loaded bolt through the barrel lug, which engages the lower frame. I'm not sure the correct name for this, so the actual name of this action would be a great help.

Sounds as if you are referring to what Baker called the "Draw Bolt" designed to aid the hinge Pin in absorbing the back thrust on the action. I was unaware this bolt was ever used on the Batavia line, though could well be wrong on that. All the Bakers of the Batavia line I have ever had any knowledge of did not have the Draw bolt & had a safety which only blocked the triggers.

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