In addition, all-plastic guns would violate a 1988 law called the Undetectable Firearms Act.
此外，全塑料枪支将违反 1988 年的一项法律，称为“不可检测枪支法”。
英语百科
Firearms Act
Firearms Act is a stock short title used for legislation in Canada, Hong Kong, Jamaica, and the United Kingdom. This list includes not only Firearms Acts as such, but legislation of different names governing firearms and also other weapons.