I love this Shadowhawk 5M... speed, jumpjets, and range... The best I've had so far is 4 kills in a match with this mech and 5 assists... Just today with the frirst match of the day I made over 6K expereince. Fun build and difficult to master.
I wondered about the AC10-ammo, i think you forgot that Swapped that and 2 JJs to 1 ton of LRM-ammo and a heatsink in the engine. This ERPeep will get hot.
I think you should switch the AMS for BAP. The increased info gathering and increased radar range is very handy. Since you have a ERPPC and can fire at short range, you can swap the ML for TAG. Which is great too. Would look like this: