A 18-Pound Naval Cannon.
Amongst the heavier canons used around the 16th and 17th century.
This is the naval version that has a 'hook' forged into the canons back which would hold ropes avoiding the cannon from hitting crewmates as it recoiled.
Consists of 4 materials.
Barrel - 2k textures for the barrel itself.
Metals - 1k textures for metal pieces around the cannon and stand
Nameplate - 512 textures for the metal plate at the side of the cannon stand
Wood - 2k textures for the stand
There are two other cannons in this series;
8-pounder: https://www.cgtrader.com/3d-models/various/various-models/8-pound-naval-cannon
24-pounder: https://www.cgtrader.com/3d-models/various/various-models/24-pound-naval-cannon