[ajmdreammg42]

need to raise some money so I'm looking around for stuff to unload and ran across these, what are they for ?

 

[barrelxchange]

The part on the right looks like a M73 tank gun breech block assy. Goes on the (barrel) extension

 

[ajmdreammg42]

Thanks Troy, guess its going into odd parts box again

 

[ubu]

Yep!

Troy is absolutely correct. Seen them many times.