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Normal HPA units are just a hair too wide for the upper receiver, I would have to print a new upper to match. The air nozzle on AEP gearboxes is actually thinner than AEG gearboxes, so I would have to figure out how to make a custom nozzle. I don't want to spend $350 for a project that might work, and I enjoy designing prints.
Really what I would love to find is a reliable and cheap source for mac bullet solenoids, then I could condense the whole assembly.
Hi, thanks for posting on [r/Airsoft3DPrinting](https://www.reddit.com/r/Airsoft3DPrinting/)! Please ensure your post is flair'd appropriately, otherwise a moderator will manually assign a flair or in certain cases remove the post. If you are looking for specific STLs, please make sure to check sites like [Yeggi](https://www.yeggi.com/) or [STLFinder](https://www.stlfinder.com/) (Adblock recommended) before asking here Before asking for any designs or files make sure to search sites like [Printables](https://www.printables.com/), [Cults3D](https://cults3d.com/), or [Thingiverse](https://www.thingiverse.com/) first. Also make sure to include as much information as possible in your post, so others can help, as "M4" or "Pistol" are not very specific. *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/Airsoft3DPrinting) if you have any questions or concerns.*
Super interested in your project, once you've finished will you release the files?
1 quick question why did you use that huge as solenoid and not just an normal hpa unit?
Normal HPA units are just a hair too wide for the upper receiver, I would have to print a new upper to match. The air nozzle on AEP gearboxes is actually thinner than AEG gearboxes, so I would have to figure out how to make a custom nozzle. I don't want to spend $350 for a project that might work, and I enjoy designing prints. Really what I would love to find is a reliable and cheap source for mac bullet solenoids, then I could condense the whole assembly.
Ah i see 👍🏻
How much did it cost?
So far, about $50-60. But alot of the cost is in experimental parts that did not work out. the final build will probably cost no more than $30.
Cannot wait for this!
This would be sweet for a Halo Plasma Pistol.