Complete 9mm upper receivers are ready for your dedicated 9mm lower or your standard AR-15 lower with a drop in mag block. Perfection does not come cheap, but when you go with Ghost Firearms, one thing is definitely certain – you’re going to get a high quality and durable AR15 9mm complete upper that you can trust while on your next shooting adventure. Ghost Firearms test fires every custom upper to verify cycling. That means finding the right 9mm upper receivers for you has never been easier. Look no further and get your hands on our extensive selection of 9mm AR15 uppers
