MM's Fireaxe, optimized for first person shooters, complete with PBR textures, rig, arms and animations. Also includes source .blend file.
Models scaled to real life (assuming 1 Unity unit as 1 meter).
Axe's triangles: 1,974
Arms' triangles: 5,744
Animations:
Attack
Attack 2
Attack 3
Attack 4
Crawl
Draw
Holster
Idle
Idle Move
Idle Move 2
Walk
Run
2048x2048 Albedo, metallic, occlusion and normal map for axe.
2048x2048 Albedo, metallic, occlusion and normal map for hands model.
2048x2048 Albedo and metallic for two skins examples.