Stag Arms A3 Flattop Left-Handed Upper Receiver Assembly - STAG300412L

The Stag Arms A3 upper receiver assembly is our very first Left-Handed upper receiver, available on ar15discounts.com. It is made to mil-spec standards and includes a picatinny rail on the top, dust cover, and installed forward assist.

This Left Handed Upper Receiver is machined from 7075-T6 forgings, hard anodized and includes a factory installed Forward Assist and Dust Cover.

Made in the USA