Aero Precision M4E1 Complete Lower Receiver with A2 Grip and M4 Stock

* This item must be shipped directly to a business holding a Federal Firearms License (FFL). The law requires a background check be performed prior to receipt of a firearm and some firearm accessories, and must be completed in person. During checkout, you will be asked to select an FFL dealer most convenient to you and your location. We will ship the items requiring a background check directly to the FFL you select.

Please note: We must contact the FFL directly to gather additional information before we can ship. This usually takes 24-48 hours depending on the FFL’s response time.