Mossberg AM-CMDT

Lore & Background

The Mossberg AM-CMDT is a product of the late 21st century's militarized corporate arms race, where traditional firearms were retrofitted with advanced materials to keep pace with magical and cybernetic threats. Its design incorporates synthetic polymers and a compact tube magazine, allowing for a more durable profile while maintaining a respectable ammunition capacity. In the Shadowrun universe, the AM-CMDT is favored by mercenaries and shadowrunners who operate in tight urban environments, such as the Seattle metroplex's sprawl or the cramped corridors of corporate arcologies. Its ability to deliver a devastating blast makes it ideal for breaching rooms, suppressing enemy mages, or clearing out ghouls and other horrors. However, its reliance on advanced manufacturing means it is less common than standard pump-action shotguns, often requiring a skilled fixer or a black-market connection to acquire. The weapon's name, "AM-CMDT," is an internal corporate designation whose exact meaning has never been officially revealed by any published Shadowrun source. It has become a status symbol among street samurai who value overwhelming firepower over subtlety, and its distinctive roar—a throaty, staccato thunder that echoes through concrete canyons—is a sound that tells friend and foe alike that a serious threat is on the field.

In Their Own Story

The door slid open with a hiss, and Kestrel stepped into the smoke-filled hallway. The Renraku security team had dug in behind a barricade of overturned desks, their Ares Predators spitting lead. Kestrel grinned, hefting the Mossberg AM-CMDT. The weapon hummed with a low thrum, its smartlink syncing with his cybereyes. He didn't bother aiming. He just pulled the trigger and let the autofire do its work. The first burst shredded the desk, the second silenced the guards. As the last shell casing clattered to the floor, he whispered, "Close enough."

Reader's Guide

The Mossberg AM-CMDT is a fully automatic shotgun designed for close-quarters combat in Shadowrun (2007). Unlike standard shotguns, it fires a continuous stream of pellets as long as the trigger is held, making it devastating at short range but less effective at medium or long distances due to pellet spread and damage drop-off. Its primary advantage is suppression: a sustained burst can pin down enemies, force them behind cover, or quickly eliminate multiple foes in tight spaces. The weapon's magazine holds a generous number of shells, but the autofeeder chews through them faster than a starving devil rat through soy. You'll want to pair it with a light sidearm for when the drum runs dry, and invest in a strength-enhancing cyberarm if you plan to keep the barrel on target for more than two seconds. In multiplayer, the AM-CMDT turns narrow corridors into kill zones, but in open areas you'll be outranged by assault rifles and sniper rifles—so stick to the shadows, close the gap, and let the buckshot do the talking.

Did You Know?

• The Mossberg AM-CMDT is a pump-action shotgun, not fully automatic, and uses a tube magazine rather than a detachable box magazine.
• The Mossberg AM-CMDT does not appear in the Shadowrun (2007) video game; that game's shotguns are simply named 'Shotgun' and the AM-CMDT name is not present in game files or official documentation.
• In the tabletop game's lore, the weapon is said to be manufactured by a subsidiary of a major megacorp, though the exact parent company is never specified.
• The AM-CMDT's pump-action mechanism makes it more reliable in adverse conditions than automatic shotguns, but its slower rate of fire requires careful shot placement.