Put the peanuts in a metal bowl, get a piece of wood just big enough to set the bowl on and then put it all on a cookie sheet. After that, find as many car batteries as you can and hook them up to the bowl and sheet.
If you live in a populated area, a quiet sizzle is always less stressful on the neighbors than the sound of gunshots.
Just don't forget to keep your pets away if you got any...