Marlin Firearms Collectors Association

Octagon, I stand corrected

The bore is pretty much rusted shut. I will see what it takes to post a picture. The only distinguishing features are the receiver slot where the bolt went, it has a hexagon barrel, a couple of steel bars where the butt stock attaches and a hole where the magazine tube would have entered the receive...

Found a rusted hulk of a rifle in my basement wall alongside the foundation. It does not have enough meat to attempt a restoration but I’ve determined it was a Marlin 27-S after months of looking at countless images on the internet. Is there any way to verify the caliber of the rifle purely from bar...