Ideas for a Bullet Trap

[studor]

Straw bales or hay bales -for a .22 they stop well -- bio de-gradable, plastic wrapped they last a long time

 

[CalG]

I've heard good things about the pulverized rubber such as used as the base for "artificial turf" Not sure how to contain it over the long run, but anti erosion cloth works well for a while. Multiple layers.

 

[dieselbeef]

fill and old refr or freezer full of dirt..lay it on its side ..itll stop a cannon