A1 vs. A2 Upper: Deciphering the Differences in the AR-15’s Heart
A Journey Through Time: Genesis and Evolution To grasp the significance of the A1 and A2 upper receivers, we must first rewind the clock. The AR-15, conceived by Eugene Stoner in the late 1950s, was initially designed for the civilian market. However, its potential was quickly recognized by the U.S. military. As the military adopted … Read more