Following the introduction of the Firearms Directive, pretty much every part of a firearm is regulates in the EU: > For the purposes of this Directive, “part”

Following the introduction of the Firearms Directive, pretty much every part of a firearm is regulates in the EU: > For the purposes of this Directive, “part” shall mean any element or replacement element specifically designed for a firearm and essential to its operation, including a barrel, frame or receiver, slide or cylinder, bolt or breech block, and any device designed or adapted to diminish the sound caused by firing a firearm.