How to Serialize an 80 Lower?

An 80 lower is the starting point of your AR-15 build. It’s a stripped down receiver that requires the completion of machining in order to turn it into a functional firearm. In order to purchase an 80 lower, you must first serialize it.

The process of serializing an 80 lower is simple and only requires a few tools that can be found in any household. The first step is to locate the section of the receiver that will accept the serial number. This can be found on the right side of the receiver near the rear take down pin hole.

Once you have located this area, use a Sharpie or other permanent marker to mark off an area that is large enough to fit your chosen serial number.

  • Select the 80 lower that you want to serialize and remove any existing markings
  • Using a permanent marker, mark your chosen serial number onto the receiver in a visible location
  • Photograph or scan the completed lower receiver and keep this documentation for your records
  • Store the receiver in a safe and secure location until you are ready to begin assembly

UPDATED: Serialize your Polymer 80 Frame

Do 80 Lowers Need to Be Serialized?

As of right now, there is no Federal law requiring that an 80 lower receiver be serialized. However, that could change in the future as gun control laws continue to evolve. In the meantime, it’s up to each individual state to decide whether or not they want to require serialization of 80 lowers.

Some states, like California, have already implemented such a requirement. So if you’re planning on building an AR-15 using an 80 lower in a state that requires serialization, you’ll need to make sure your receiver is properly marked with a unique identifier.

How Much Does It Cost to Get a Firearm Serialized?

In the United States, there is no federal law mandating that firearms be serialized. However, some states and municipalities have enacted their own laws requiring serialization, so the answer to this question depends on where you live. In general, though, the cost of getting a firearm serialized is relatively low – usually around $20 or less.

The main reason forserializing firearms is to help law enforcement track down guns that have been used in crimes. By having a database of serial numbers, police can trace guns back to their owners and hopefully solve crimes more quickly. For gun owners, though, the main benefit ofserialization is simply peace of mind – knowing that your gun can be identified if it’s ever lost or stolen.

Can You Get a Ghost Gun Serialized?

No, you cannot get a ghost gun serialized. A ghost gun is an untraceable firearm, made without a serial number or any other identifying marks. Because they are unregistered and unregulated, ghost guns are illegal in many states.

Even if you could get a ghost gun serialized, it would be useless – the whole point of a ghost gun is that it cannot be traced.

What Part of a Gun Has to Be Serialized?

In the United States, any part of a gun that is considered the “frame” or “receiver” must be serialized. This usually includes the part of the gun that houses the operating components and where the barrel is attached. In some cases, other parts of the gun may also be required to be serialized, such as trigger assemblies or bolt carrier groups.

The main reason for this requirement is to help law enforcement identify and track firearms. By having a unique serial number for each gun, it makes it easier to trace a particular weapon if it is used in a crime. It also helps prevent guns from being sold or transferred without proper documentation.

There are some exceptions to this rule, such as certain antique firearms or those that are specifically exempt under federal law. But in general, if you own a gun in the United States, chances are at least one of its parts will have a serial number on it.

How to Serialize an 80 Lower?



If you’re looking to serialize an 80 lower, there are a few things you need to know. First, you’ll need to find the serial number on the lower. Next, you’ll need to engrave the serial number into the metal of the lower.

Finally, you’ll need to record the serial number in a database.

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