SS/M 49

The SS/M 49 is a sound suppressor integrated into the M7S Caseless Submachine Gun.

Trivia
The name of the suppressor is likely a 7 reference, as 49=72.

List of appearances

 * Halo: First Strike
 * Halo 2 for Windows Vista
 * Halo: Contact Harvest
 * Halo: Helljumper
 * The Life
 * Halo 3: ODST
 * Halo Legends
 * The Babysitter
 * Halo: Evolutions - Essential Tales of the Halo Universe
 * Headhunters
 * Halo 2: Anniversary
 * Hunt the Truth
 * Halo: Spartan Strike
 * Halo: The Fall of Reach - The Animated Series