lol you seem to be set on getting ACM guns even though theres nothing wrong with that, but externally you can do so much better with a VFC or G&P for that price range.
VFC HK416 Custom
Custom Bowie Tactical x SAI Glock 17 (TM Base),
Custom SAI BLU Glock Build (Timberwolf Base)
Custom Zev Noveske Shooting Team Glock 34
Custom Zev Dragonfly G17 (Project) (In progress)