The barrel of a gun was the tube through which the ammunition or energy bolt being fired traveled before leaving the weapon. The barrel of the criminal Tasu Leech's "Huttsplitter" blaster rifle was modified with oversized amplifiers to increase the charge of the bolt inside when fired.
- Star Wars: The Force Awakens: The Visual Dictionary
- Star Wars Helmet Collection 35 (Helmets: 212th Attack Battalion; Weapons & Uniforms: Ready for Action)
- Star Wars Helmet Collection 48 (Helmets: First Order TIE Pilot)
- Star Wars Helmet Collection 49 (Helmets: Shoretrooper)
- Star Wars: Alien Archive
- Star Wars Helmet Collection 59 (Helmets: Sidon Ithano)
- Star Wars Helmet Collection 62 (Helmets: Scarif Rebel Trooper (Sergeant Melshi))