KSG 12

The  is a pump-action shotgun set to be featured in Call of Duty: Modern Warfare 3.

Multiplayer
The KSG 12 is unlocked at Level 23 in multiplayer. It is seen as a high capacity pump action shotgun in the IGN multiplayer live stream.

Trivia

 * The KSG 12 is the second bullpup shotgun in the Call of Duty series, the first being the HS-10, and the first bullpup shotgun in the Modern Warfare series.
 * The KSG 12 has the largest standard ammunition capacity out of all pump/bolt action weapons in the Modern Warfare series.