Here you can find four 20 century artillery cannons. Each cannon include three kinds of materials - in battle, rusted and standard.
My Discord group
Shoot, move and rotation animations are include.
Triangle counts:
F-22 76mm - 31000 tris
76mm cannon - 19000 tris
M-42 45mm - 23000 tris
M-10 152mm - 37000 tris
Scetchfab preview