Which would you rather have?

[alvin]

It can have many use.

It can be used in range for fun.
If have function issue, making it work will have some fun as well.
It can be an organ donor to other guns (springs, for example).
It can be used to try rust blue.
In worst case senario, it can be used for playing TIG welding.

The price needs to be right. And, don't buy too many of them.