Need advice designing a fair ultra tech gun.

[Jaware]

Originally Posted by Juca

Well, you can use something like a Gyroc Carbine loaded with APHEX. It will do its normal damage with a (2) armor divisor, or 6d(2) pi++, and, more importantly, with the projectile penetrates the armor, the following explosion will be internal, so the 1d-2 cr ex will ignore armor and be multiplied by 3...

There is no need to justify such a weapon as a mining tool, but if you will you can tell the players that such "tools" are used to open small holes in rocks and soil for the larger explosives to be inserted...

This was the first place that I looked, but it's a follow up attack. And I was looking more for a triggered follow up.

The tool part I wanted to actually be a mining tool, but converted by some poor sap long ago who wanted to live.