For your consideration today I offer the Aero Precision M4E1 Builder Set in Patriot Brown Cerakote.
This set includes an M4E1 lower receiver, M4E1 upper receiver (non-enhanced) and the 15" Atlas S-One M-Lock handguard.  Just add your barrel, gas block, BCG, LPK, and charging handle and you are ready to rock!

Shipping avaliable to your FFL or ask about local pick-up.