Re-posting this here for a little more exposure...

[dlbarr]

http://castboolits.gunloads.com/showthread.php?256251-Boolit-catcher

[Mk42gunner]

Check the Classics and Stickies section. There was a big discussion about building a bullet trap several years ago.

Robert

[runfiverun]

Sticky section has a thread with plans and such for a couple of different methods