I finally jumped and ordered a CMMG complete upper with a 20” barrel. Looking forward to getting everything put together.
Should be pretty sweet. Buying a complete upper is going to save you a little time. I think if i were going to build one from scratch, id just go with Aero precision (upper and lower M4e1) and a Faxon 20" barrel from brownells ($216.00). Im thinking i could keep the cost below $800.00 for the complete rifle.