Dark mode is

Product Unavailable

Unfortunately, the following product is currently unavailable through Rainier Arms.

Aero Precision M4E1 Complete Lower Receiver w/ MOE K2 Grip & SBA3 Brace - FDE

AR-15 Complete Lower Receiver


The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features their custom designed M4E1 Lower Receiver and is upgraded to include a MOE K-2 Grip and SB Tactical SBA3 Pistol Brace in FDE.



  • M4E1 Stripped Lower Receiver (FDE)
  • MOE K-2 Grip (FDE)
  • SB Tactical SBA3 Brace (FDE)
  • Lower Parts Kit
  • Carbine Receiver Extension
  • AR15 Carbine Buffer and Spring
  • These parts are installed
More Information
SKU APAR600172
Product Type AR-15 Complete Lower Receiver
Manufacturer Aero Precision
Color Flat Dark Earth
Finish FDE
Option AR-15
Google Customer Reviews Google Customer Reviews