Quote: "Just a suggestion from watching the video, ammo gets used real fast. Would there be a setting to change how fast you use ammo?"
The ammo consumption can be adjusted through firerate like Toasty mentioned but the consumption rate needs to be artificially high or else the damage/raycast will be too intermittent (IMO).
Quote: "but could this work with ply's dual wielding "
Likely not. It's not well suited for that.
Quote: "Now if only we could get ironsights working properly for MP9/10..."
By
we you mean
Errant AI, right?
Feel free to donate to my MP9/10 update lobbyist contribution fund via paypal (just kidding... sort of - I'm not above being bribed lol)
Quote: "so any idea what the price range is going to be AI?"
Hey! I'm not American Infantry

I don't know but it won't be too much because of generous asset donations from Bond1 and Nickydude.
I'll be catching up on emails later this evening.