You’ve come to the best place for AR 9mm parts. From AR 9mm pistol uppers to muzzle brakes, flash hiders, and buffers. With 9mm ammo so cheap right now these 9mm PCC uppers and parts of becoming extremely popular. We try to carry the best selection of a AR 9mm parts online! Check out our 9mm stocks and hand braces, combo those with our 8 oz buffer! And with our superfast shipping we will have it in your hands in 2-4 days on average!