Suppressor

Gordon Walker with a supressor on his rifle.

Suppressor Popularly known as a silencer, it's a device attached to a firearm to reduce the amount of noise and flash generated by firing the weapon. It generally takes the form of a cylindrically-shaped metallic tube that is fitted onto the barrel of the firearm, and sometimes reduces the velocity of the bullet. – Pad of Definitions, (2.10 Hunted), Official Website

Episodes

2.10 Hunted

Gordon uses a sniper rifle loaded with subsonic .223 caliber rounds and outfitted with a suppressor to try and kill Sam in his motel room. Dean stops him before he can succeed, but ends up getting knocked out by the rifle and captured by Gordon.

3.15 Time Is On My Side

Bela Talbot attaches a suppressor to her gun when she sneaks into Sam and Dean's motel room to kill them, but she ends up shooting two inflatable dolls instead of the boys.

10.22 The Prisoner

While sneaking into the Styne estate in Shreveport, Louisiana, Dean outfits his gun with a suppressor. Dean uses it to kill two guards and enters the estate, but he is subdued and has both of his guns taken from him.

12.14 The Raid

Outside the Morest Hotel, Ketch attaches a suppressor to his gun, but he puts his equipment back in favor of using one of Dean's machetes.

Ketch has attached a silencer to his nickel-plated H&K USP .45.

12.17 The British Invasion

Ketch has a silencer attached to his gun when he shoots and kills Mick Davies.

See also

• Subsonic rounds
• TJ Hooker