Stalcraft Wiki: Grenadier Exoarmor

In-game description (EXBO)

An artisanal creation by a mechanic from the South, who decided to use leftover parts for his armor. The unusual appearance quickly attracted the attention of curious stalkers, making the new exoarmor known throughout the Zone in just a few days.

Quoted from the game's own text in EXBO's public game data. Not written by STALCRAFT Meta.