cajun47,
There are several companies that make bullet traps, but they're not cheap. The best are the snail traps, which trap the bullet in a circular area similar to a snail shell. As the bullet travels through the twisting tube, it's slowed down without splattering and finally stops in the bottom of the bullet trap, which is removable.
The other kinds of bullet traps are usually just metal containers with a sloping backstop that deflects the bullet downward. The actual trap is at the bottom and is filled with either sand or shredded rubber. Shredded rubber works best for this purpose. Some of the larger ones will have a water trap in the bottom.
Detroit Bullet Trap is one company that makes them and Savage is another. There are others, and I'm sure if you do a search, you'll find plenty of them.
Bushmaster,
I have this vision in my head of you trying to pour a thimble full of lead back into a bullet jacket..... Tell me it isn't so!
Walkalong,
Casting is safe, as long as the precautions are taken. I've been doing it since 1966, and I'm only moderately crazy......... I started loading in 1963, but when I bought my first .38, bullets were too expensive, so I started making them myself. I still make them by the thousands for our cowboy shooting.
Hope this helps.
Fred