A

Firearms; rifles; carrying cases for firearms; breeches for firearms; firearm actions; firearm receivers; rifle barrel; gas tubes for firearms; bolt carrier groups (BCG's) for firearms; firearm charging handles; gas blocks for firearms; pistol grips; triggers for firearms; trigger guards for firearms; firearm accessories, namely, firearm locks for attachment to a firearm in order to prevent use, and component parts for firearms, namely, receiver extensions and buffer tubes