by Rifle Guard | 8:52 pm

Every weapon enthusiast has thought about upgrading their arsenal and building their own weapons at some point or another. And there is no better or easier build than an AR-15.

Now, about the legality, you might be wondering how anyone can build their own weapon, even if they had access to the proper kits, and everything needed for the project. It is a lot more simple than you might think.

The laws and regulations surrounding weapons all come from the federal government. These officials decide what can and cannot be manufactured within the United States. Once these laws were created, there left clear and legal room for the building of weapons such as the AR-15.

It is important to note that the government sets the regulated standards, but each individual state has the authority to enforce more laws if they so choose. You see these extra regulations in states such as California and New Jersey.

The BAFTE on Serial Numbers

The Bureau of Alcohol, Tobacco, Firearms, and Explosives, or the BAFTE, are the next chain of command when it comes to the legality of building and selling weapons. The BAFTE regulate the sale and possession of firearms through the use of the ATF Form 4473.

The BATFE states: “Individuals manufacturing sporting-type firearms for their own use need not hold Federal Firearms Licenses (FFLs). However, we suggest that the manufacturer at least identify the firearm with a serial number as a safeguard in the event that the firearm is lost or stolen. Also, the firearm should be identified as required in 27 CFR478.92 if it is sold or otherwise lawfully transferred in the future.”

Consequently, the lower receiver of the AR-15 is the only part of the weapon that is considered a legal firearm. Thus having to be serial numbered and fully documented.

The Exception: 80% Lowers

Now, when it comes to an AR-15 build, any simple Google search will come up with millions of hits for 80% lowers, but what the heck does that even mean?

An 80% Lower Receiver, or Unfinished Receiver is a weapon that does not have the complete functionality of a firearm, due to it being only 80% finished. Essentially, these 80% lower receivers can be milled, marked, drilled, the whole nine yards. But they cannot have the main trigger pocket complete as well as the safety and trigger pins holes completed.

Once the lower is completed into a 100$ lower receiver it is technically then a firearm however serialization is still not required due to the laws around 80% lower receiver laws. Building an 80% lower into a complete firearm also means you cannot pass down, let someone borrow, or even sell without completing the necessary paperwork completed and serializing the lower. If you wish not to serialize the lower it is your lower for life and must be destroyed upon the death of the owner.

AR-15’s: The Perfect Build

Whether you are an experienced weapon builder or a beginner, choosing to build an AR-15 is the best option for everyone.
The weapon is simple to put together, the kits are cheap, and the war AR’s are manufactured, they are a tough, durable, and all around top of the line weapon to have in your arsenal.


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