Building an AR 15 lets you ensure that every part is up to your standards, giving you plenty of customization options to finetune the firearm to be exactly what you need. These Gun Parts from Aero Precision are here to help you make your dream firearm become reality, offering high-quality AR15 Upper Receivers, lower receiver parts kits, and even field repair kits to make the build as easy as possible. One benefit of these Aero Precision M4E1 Gun Parts is that you can even get a complete upper receiver for your AR15, which comes with everything installed into the receiver so all you have to do is attach it to the lower. This means you don't have to install the barrel, handguard, gas block, or anything else on its own, saving you tons of time. Plus, they're available in tons of the most popular calibers, including 6.5 Grendel, .300 Blackout, 5.56 NATO, and more, giving you plenty of options to choose from depending on what kind of rifle you want to build. Aero Precision is dedicated to providing the highest quality of parts that are designed with the needs of shooters in mind, so you can count on the durability and reliability of all of their gear. And, we offer Free Shipping on most orders over $49, so you can save even more money on your purchase!
What Is Aero Precision M4E1?
The M4E1 line of products from Aero Precision is a line dedicated to high-quality AR15 upper receivers and parts. The complete upper receivers are the main selling point of the M4E1 family because there are tons of options to choose from, including many calibers, barrel lengths, and even muzzle devices. This makes building an AR 15 extremely easy, as you can get half the firearm already put together.
Does the M4E1 Need a Barrel Nut?
Yes, the M4E1 Upper Receivers use a barrel nut, but you do not need to purchase it separately if you get an M4E1 complete upper receiver. This part is included with the purchase so that your upper receiver is ready to go when you get it.