Aero Precision APAR600005C: This Special Edition Freedom M4E1 Stripped Lower Receiver features a custom engraved American Flag graphic on the magwell of Aero Precision\'s popular M4E1 Lower Receiver. Markings Include Model \"FREEDOM\" and \"XXXX-4July\" serial number range. Like all of Aero Precision\'s receivers, this product is machined to mil-spec dimensions and works with standard AR15 components. Includes: Stripped M4E1 Special Edition: Freedom Lower Receiver in Anodized Black Why are the stars on the right? This is a commonly asked question with a simple answer - Always Forward, Never Retreat. Per Army Regulations 670-1, the U.S. flag patch is to be worn, right or left shoulder, so that \"the star field faces forward, or to the flag\'s own right. When worn in this manner, the flag is facing to the observer\'s right, and gives the effect of the flag flying in the breeze as the wearer moves forward.