Can protomechs use ERPPCs? I made an ultra that can fit it. The big chart in Tech Manual has it listed as NA, but I think that was before Wars of Reaving, so the 9.75 ton of ERPPC + QHS couldn't fit on any proto obviously. When I go to page 234 and look at the entry on PPCs however, it says nothing about restrictions for protomechs, in contrast to the next page for plasma weapons which says protos can't have plasma. (That part was later errata'd out)
So, can a proto have an ERPPC as a weapon?