The AR-15 is not complete without its upper receiver, which is responsible for housing the bolt, charging handle, gas system, and barrel. It works a full time job, which means choosing the right one is important for the longevity and durability of your AR-15 build. Those looking to build a new AR-15 or assemble an upper from loose parts, here is our list of select AR-15 upper receivers. Happy Building!
What are the Specs of AR-15 Upper Receiver
Depending on the finish of the upper, the specs may vary. However, these are the specs for the anodized upper receiver:
AR-15 Upper Receiver Specs:
Machined to mil-spec tolerances
Forged from 7075-T6 aluminum
Black anodized finish
This is NOT a complete receiver and therefore not an FFL item
The Magwell on this 80 percent lower receiver is full broached for the perfect fit
Made in the USA
Is the AR-15 Upper Receiver legal?
The AR-15 is completely legal as it is not a firearm, and not responsible for any of the firing that will go on in the system. It does not hold the fire control group, and legally is more akin to buying a piece of metal as a paperweight. I it is perfectly legal to buy an AR-15 Upper receiver.