The short answer is yes, but it's not as easy as casting with typical lead based boolit alloy. A few folks have worked through it and documented their progress in these threads.
http://castboolits.gunloads.com/show...c-boolit-mould
http://castboolits.gunloads.com/show...sting-vibrater
http://castboolits.gunloads.com/show...s-range-report
http://castboolits.gunloads.com/show...l=1#post814403
http://castboolits.gunloads.com/show...re-than-copper
http://castboolits.gunloads.com/show...uminum-bullets
