Locate the Gun Serial Number For example, a Browning serial number can range in length from eight to ten characters, a Glock number is only five characters long. Serial numbers can contain both numbers and letters. A serial number is stamped in metal so it doesnt wear easily.

How many numbers are in a serial number?

Despite the name, a serial number often contains letters and numbers. How many characters make up a serial number differs greatly, depending on the manufacturer, product, and model. Most serial numbers have at least six or seven characters, and some serial numbers have twenty or more.

What part of a gun has the serial number?

Serial numbers are almost always found on the butt. Some older models may have a serial number stamped on the cylinder and on the bottom of the barrel with a “B” prefix. Newer large- frame models may have the serial number stamped in the crane.

Is the serial number of a gun on the box?

Theyre normally located on the barrel and the upper receiver but depending upon the age of the gun — there may only be one. Its the number that gets pulled for the Form 4473 that gets saved alongside the authentication of the background check.

Do you have to put a serial number on an 80% lower?

Per federal law, an individual building a firearm for personal use is not required to mark it with a serial number. Simply owning an unfinished 80% lower does not require a serial number, but the second you finish drilling and milling out your 80% lower, there better be a serial number on it.