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Current status of 3D printed ammo development (forum.guncadindex.com)
submitted 8 months ago by to c/general@forum.guncadindex.com
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Does anyone know the current state of 3D printed ammunition research? Specifically looking for info on the BLC tests and 3dprinted .380 ACP projects（case also 3dprinted）. Since a lot of the usual Discord/FOSSCAD channels are down, I’m trying to find where the community is currently documenting these developments.

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[–] 3 points 8 months ago (6 children)

We do the ammo development at BLC in the BLC element space. We are always happy to have more testers, and the process to become a tester is pretty painless.

I have pushed the 380 printed ammo project aside for the time being, lately I have been working on 38 special printed ammo and more 43R loads, some of which I will be releasing later today.

There are a ton of people interested in the printed ammo, but hardly anyone willing to help with testing.

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  • [–] [S] 2 points 8 months ago (3 children)

    What caused the .380 ACP printed ammo project to be pushed aside for now? Was it a technical hurdle or just a shift in priority?I actually have an idea I'd like to explore: using a 9x19mm profile for a 3D-printed casing, but down-loading the pressure and power to .380 ACP levels. The goal would be to make it safely cycle and operate within an FGC-9 platform without overstressing the printed case. I’d love to hear your thoughts on the feasibility of this for the BLC project.

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  • [–] 4 points 8 months ago (2 children)

    Just have too many projects going on, and I really like my Modelo. Nothing else.

    What you are asking for with the 9mm chamber is already finished and released. It's called "the 9mm deep". It's available on BLC odyssey. There is someone who got it to cycle in a modified FGC9, but I would totally wait for the 9mm decker to come out, as it works better with printed ammo than any of the FGC variants. The biggest change to be made is bolt weight.

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  • [–] [S] 2 points 8 months ago (1 child)

    Do you have more technical details on the modified FGC-9 that runs '9mm deep'? I'm curious about the bolt weight adjustments and the recoil spring tension needed to get it to cycle reliably. Any documentation or links would be much appreciated.

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  • [–] 1 point 7 months ago (1 child)

    Do all of the printed ammo you've created have to have a locked breech to function properly/safely? I assume with the 43R and all previous ammo they do, but the .380 ACP project sounds like you were starting to make some progress into ammo that's safe for blowback operation. If I missed something and there already is blowback safe ammo, was it powerful enough to be equivalent to .32 ACP?

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  • [–] 1 point 7 months ago

    It's something that has been worked on, but I have kinda lost interest in it. No one wants to help beta test it. I've gotten it to cycle a decker. Someone apparently got a modified fgc9 to cycle 9mm deep, but I haven't seen it. Another guy in BLC was working on some other modified 9mm cartridge in the decker platform as well

    As for energy, it was closer to 22lr. And 32 auto has about the same energy as 380, so yeah, it's not that powerful.

    So far all of my ammo projects are for manual actions. It just works better, and these kinds of guns are still really neat.

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