Management:

R — Fire mode
F — Change ammunition
Shift — Aiming mode
LKM — Fire
PCM — Static aiming
Mouse wheel — Zoom
M — Lighting
R + Shift + LMB
Requirements:

Teardown "TABS Vehicle Framework - Military Equipment" [1.6.2]
Installation Instructions:

Download the file
If there is no mods folder in the game directory, create one.
Place the downloaded file in the mods folder