This is a paid asset, but now you can download Toon Soldiers – Armies Free.
Detail this asset from Unity Store: Original Link
Toon Soldiers – Armies v1.0
Cartoonish low-poly soldiers fully animated, ideal for strategy games. Mecanim ready
(11 body models, 3 legs models, 52 head models, plus grenades, projectiles, backpacs, and some extra items)
-30 weapon models, plus sight, scopes, and grenade launcher add-ons
-28 Camouflage / Uniform variations
-More than 450 animations:
(around 70 animations per weapon set, including melee, handgun, assault, rocket launcher, light machinegun)
-Root motion animations included.
This package only contains graphic material (models, textures, materials and animations).
No scripts or controllers of any kind are included.