This stock increases Run Speed, but at the cost of Range and Spread.
For a players who like to play on-the-go, the Krane CP2 Dual Mount will be a great stock to use as you can get to your destination faster, be it your enemies or objectives.
Pre-Parity Patch this stock was know as Krane CP2 Dual Mount.
In-game Description Edit
Light stock. Improves running speed and scope-in time, but impairs spread and range.