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Anatomy of a 308 Winchester Cartridge 3D print model

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3D model description

Model on the inner workings of a .308 Winchester catridge.

The models are provided as a single body and multiple parts, please refer to the last pictures for a better idea.

The model represents the following parts of a cartridge: the primer, the casing, the powder charge and the bullet.

The model is provided in three formats : STL, STEP and 3MF files.

To be used for educational purposes, 3d printing applications and as a gift for gunsmithing and firearms enthusiasts

The model has been simplified and optimized for 3d printing.

Please contact us for any inquiries and modifications. Check my previous models for similar designs.

3D printing settings

Please note that a bit of wet sanding will be necessary to make all the parts fit better.


The true scale cartridge 71x12x12mm
The mid flight model 207x44x44mm
The X2 scale cross section 124x24x24mm
  • 3D file format: 3MF, STEP, and STL
  • Publication date: 2020/07/18 at 12:00



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Hello, I'm a SOLIDWORKS certified EXPERT
I'm active in the following areas : basic 3d modeling, jewllery, plastics, tooling design and general industrial design applications.
I also offer manufacturing consultations in CNC, traditional machining, plastics transformation and 3d printing.



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