Here we have a lovely detailed Model of a Navy 36 Pounder Iron Naval Cannon.
Installed on the lower deck of the larger warships, the 36-pounder long gun was the largest calibre used in the Navy of the Age of the Sail. A 36-pounder required a 14-man crew, comprising one chief gunner, 12 gunners and one powder-boy.

Modelled in Blender 2.79

Tested in Blender 2.80

PBR Workflow

Textured in Substance Painter 2

All Modifiers closed

Real world scale applied (Metric)

All images shown were Rendered with Cycles

Please note if you are using EEVEE:

You may need to go into the Render Properties Tab - Performance - Enable High Quality Normals

Included Formats:

.Blend

.Obj

.Fbx

Scale: 1.000

Polycount:

Verts: 54,502

Faces: 54,620

Tri`s: 107,716

All Texture Maps provided in named folder

2K Resolution Maps 2048 x 2048: BaseColor, Metallic, Roughness & Normal

2K Height Map included if required

Unwrapped - non overlapping UVs

Lighting and Camera are on Layer 2

Blender Cycles used for the Rendered images shown

The HDRI used for the Rendered images is not included, there are plenty of free ones available with a quick Google search

Please use this link, or the image link provided, if you wish to view on Sketch