|Killzone: Shadow Fall|
|Location||Chapter 2, Chapter 3, Chapter 4, Chapter 7 (Chapters 2,4,7: used by VSA agents. Chapter 3: found on gun rack)|
|Rate of fire||515 RPM (Fully Automatic)|
|Range||Mid to long|
The M55 shares the standard VSA design philosophy, valuing accuracy and stability. Like the M82, the Rumbler is a bullpup design chambered for the 6.8x43mm round. The major visual differences are the replacing of more rounded, ergonomic forms with angular sides that resemble a stealth plane. Available to the Assault class in multiplayer, the M55 has been made more flexible by the introduction of attachments in Shadow Fall, allowing for different optics and underslung attachments to be equipped. Thanks to its varied selection of attachments -- as well as its all-around prowess -- the Rumbler is an incredibly popular weapon and a great choice for both newcomers and veterans alike. It is brilliant at headshots, where it is a one shot headshot.