So I switch it to use a fake explosion to override the impact data set. That problem's fixed.
But now I have another problem... I have to put a monstrously huge damage modifier ammo effect onto it, since the WEAP form's damage value is just 2 on the rifle and launcher, and a problematic non-identical 5 on Mercy (IIRC, don't have the GECK open now).
I got to thinking... make small-radius fake explosions to deal the damage.
However, in testing another thing I'm working on (coins scattering everywhere with Coinshot, which uses placed impact object fake explosions), I discovered that fake explosions apparently don't apply damage... or at least the dummy fake explosion included in the archives doesn't...
Any tips on how to make fake invisible explosions inflict damage? This would also allow me to disable Hitscan on the coinshot so you can see the coins in flight as well, if it works (due to non-hitscan projectiles inflicting no direct damage if set to explode on impact).