I might fly it on Biggs. Makes him truly support, if he gets shot at great, if he doesnt, still helps out.

If Biggs isn't getting shot at, you've wasted points on him.

Or a countless multitude of other factors that could negate the ability to target biggs is a de facto impossibility?

Initial impressions not great so far but its probably my luck

Tracked all tge rerolls, both on enemies and allies

Literally rolled the same result everytime apart from one enemy hit into a crit

Dont think it is an upgrade i can use

Going defensive with Tarn and M9-G8 is one more point and multiple dice less than doing it with R7.

Now yes it adds versatiliy with you beign able to do mini-predator for friends, but defensively it doesnt seem worth it.

But defensive Tarn isn't exactly tearing everything up. So...

I might fly it on Biggs. Makes him truly support, if he gets shot at great, if he doesnt, still helps out.

If Biggs isn't getting shot at, you've wasted points on him.

Because a canny player can not set his shot up that never targets biggs? A

Or a countless multitude of other factors that could negate the ability to target biggs is a de facto impossibility?

You're right. Go ahead and put M9 on Biggs. Great idea.