How to Measure Barrel Length
Multiple versions of this question came up after we were helping a foreign Blaser owner figure out a question regarding barrel length, and that make of rifle.
A couple of points for all viewers around the world.
- This method for determining legal barrel length is used by the US Government.
- Typically the US law covering this is called the National Firearms Act of 1934.
- Contradictorily, individual barrels are NOT federally controlled items in the United States. Because they are not a serialized part. Meaning in the US, barrels are bought and sold as easily as bathroom plumbing.
- In the US, the act of mounting the barrel into a firearm (serialized part) automatically invokes NFA rules.
- In the US, if a barrel has a serial number on it, foreign or domestic in origin, it is still an unregulated piece of metal; And is not considered a firearm or controlled item.
- In many countries around the world, a barrel IS a controlled item and having one is legally the same as having a firearm. Additionally having a barrel without a serial number is considered contraband.
- Many countries that regulate barrels, like firearms, don’t have limitations on barrel length since the mere existence of the item is controlled.
Hope this helps.
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