How do you get rid of this?

He didn't take it out to the back 40 to try using it for target practice. He took it to the people he thought would be experts. The back 40 option might be fun, though I'd want a lot of distance in between us. And if it didn't go off I'd avoid the spot for a month. At least.

"The Sheriff's Office is encouraging people who find explosive devices to leave the area and call 911."