[SLB]

Supervisor Gayle Uilkema of Lafayette said the guns could fire exploding bullets through 8 inches of steel, and certainly through containers transporting hazardous materials.

That is one whopper of a .50 cal round. I have a .50 SLAP round on my desk right now and it comes no where close to that in ballastics, although they are impressive. As far as it exploding, wow! I thought the penetrator was solid, the engineers who developed it never told me it would explode.

[17th Miss Regt]

The filler is not lead. It is higly enriched uranium. Upon impact the mechanical compression ignites the fission reaction and a well placed round will flatten a small town.

[Central_Floridian]

There are explosive rounds for them as well as incendiary and armor-piercing-incendiary.