Featured is this a cannonball?

is this a cannonball? Not perfect spherical solid metal object that measures 9 cm and weighs 3671 grams.

 

If not, it'll do in a pinch!

 

Maybe one of these guys will know what you have:
@springfld.arsenal
@the blacksmith

 

I would think it is (just my guess) But looks to be in overall very good condition.Must have been ‘cleaned’

 

All she wrote!

 

Since it looks as though something may have broken off a bit, you might look at ball gate weights too.

 

Good point and observation.Could very well be (I had to google ‘ball gate weights’)

 

Maybe it was originally part of a chain shot? Something like.

https://www.worthpoint.com/worthopedia/revolutionary-war-era-chain-shot-2007308261

 

yes it has been cleaned sadly roughly

 

there is nothing broken off the cavity looks naturaly formed and there seems to be a crystal in it

 

https://www.lmine.com/steel-grinding-balls-c-1_36_153_310/

 

Fly press weight? This is a British cannon ball table, it give the sizes and weights. https://www.arc.id.au/Cannonballs.html

 

cannonball could very well be, but density of 4 g/cm3 is very dense

 

That's why I said fly press weight, it would be a cast iron shell filled with lead.