Is this something?

[Ludlow6]

Made of iron. about 8 inches long. Found at a place that has produced a GW button and a connecticut milita button.

 

[MasonDixonMding]

It could have been some sort of tool? A file, punch or something like that?

 

[Cupajo]

ice pick ? Handle would have rotted away or perhaps snapped off.

CJ

 

[UncleTykie]

Is it triangular in shape? If so, I would say it's an old Bayonet

 

[hoser]

I like the ice pick theory. Good going.

 

[mudwhale]

Yes to your question, it is "Something".