YOUR CHAMBER FLAG SYSTEM FOR ALL WEAPONS
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Description
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This modular safety flag is ideal for the secure marking of unloaded firearms – whether at the shooting range, during weapons storage, or during transport. The design is based on a uniform format with a clearly visible “SAFE” inscription and fits a variety of calibers such as 9mm, .45 ACP, .223, and .308.
The flag consists of a robust, 3D-printing-friendly body with a replaceable caliber insert. This keeps the design consistent, while ensuring a precise and reliable fit in the cartridge chamber – suitable for pistols and long guns.
Further caliber variants are already planned and will follow shortly!
💬 Feel free to write in the comments which calibers you are still missing – I am constantly expanding the system!
Features:
✅ Uniform design for many calibers
✅ Clearly visible “SAFE” marking
✅ Ideal for training, transport, storage
✅ Compatible with pistols and rifles
✅ 3D-printing-friendly and robust
✅ Developed from practice – tested directly at the shooting range 🔒🎯
Safe handling begins with visibility – download now

🔧 Recommended Tools & Materials
✔ Filament (PLA / PETG): https://amzn.to/4bLk7h3
✔ Nozzle & Maintenance: https://amzn.to/4qpeDfn
✔ 3D Printing Tool Kit: https://amzn.to/4adeqHy
✔ Build Plate & Adhesion: https://amzn.to/4qzRdUB
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License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.














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