Description:

Amigo Grande CETME-C Build Kit

The Amigo Grande CETME-C Build Kit is an innovative and ambitious project that merges the heritage of the classic Spanish CETME-C battle rifle with the accessibility and adaptability of modern DIY gunsmithing. Create by IvanTheTroll and release under The Gatalog open-source firearms collective, it stands as the first fully 3D-printable battle rifle receiver chamber in the powerful .308 Winchester / 7.62×51 NATO cartridge.

The design is also compatible with HK G3 / PTR91 components, making it versatile and adaptable to multiple configurations. At the heart of the kit is its press-fit clamshell barrel trunnion system. This engineering detail enables the rifle to perform comparably to factory-built CETME or G3 rifles, even under sustaine fire.

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Builders can be confident in its structural integrity when print in the recommend reinforce polymer and assemble according to specifications.

The kit’s documentation is one of its most user-friendly aspects. It includes clear build guides, parts lists, and assembly notes to help experience hobbyists navigate the process.

From a historical perspective, this project preserves and extends the life of a classic Cold War rifle platform. Amigo Grande CETME-C Build Kit isn’t just a firearm project—it’s a fusion of tradition and innovation, empowering builders to create a functional, battle-proven rifle platform with modern DIY manufacturing methods.