Building a PCC With an AR9 Upper Receiver Stripped
Starting your build with an ar9 upper receiver stripped is honestly one of the most satisfying ways to get into the pistol caliber carbine (PCC) world. It's that perfect middle ground where you get to pick every single component that goes into the heart of the firearm without paying the "assembly tax" that comes with complete uppers. Plus, if you're anything like me, half the fun of owning a 9mm AR is knowing exactly how every pin and spring fits together. ...