Why, when you can simply buy a complete assembled upper (and with no FFL transfer at that) would you ever buy an AR15 upper build kit, especially since assembling the rifle from one will take so much more time and effort?

There are some good reasons. Let’s break this all down.

AR builders, especially AR pistol builders, are obsessed with short, small, lightweight builds. But there may be times when you’re not satisfied with the small stature of your ARP even if you started with a small upper like a 5 inch AR pistol upper. 

For builders of sporting rifles, there are two main avenues you can take when it comes to choosing an upper. You can buy a stripped upper and then all the other parts separately, or you can buy an assembled upper, which will come with the vast majori

Those obsessed with micro AR pistol builds are always looking for ways to make their platforms smaller and lighter. This short post will help directly with that. With no further ado let’s get into it. Start with a Micro AR Upper Step number one is to