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Washington legal term

Undetectable firearm in Washington Criminal Law

Current through 2026 Washington legislative session

In Washington criminal law, “Undetectable firearm” is a term defined by statute rather than by its everyday meaning. Its statutory definition — quoted verbatim below — controls how the term is applied throughout the Washington criminal code.

What does “Undetectable firearm” mean in Washington criminal law?

"Undetectable firearm" means any firearm that is not as detectable as 3.7 ounces of 17-4 PH stainless steel by walk-through metal detectors or magnetometers commonly used at airports or any firearm where the barrel, the slide or cylinder, or the frame or receiver of the firearm would not generate an image that accurately depicts the shape of the part when examined by the types of X-ray machines commonly used at airports. (RCW 9.41.010)

Statutes defining or using this term

Charges using this term

Related terms in the same statutes

This reference is informational and is not legal advice.