AR-15 Magazine Chamber Flag 3D printable model by wishooter

AR-15 Magazine Chamber Flag

Source: Thingiverse by wishooter

The AR-15 Magazine Chamber Flag is a free printable 3D model from Thingiverse by wishooter. This is a chamber flag, of sorts. You can download the STL file from the original listing below and print it at home.

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30 saves Source: Thingiverse Updated 2026-06-30

Tags: AR-15, Magazine, Chamber, Flag

About this model

This is a chamber flag, of sorts. It fits in the mag well and engages the bolt catch, and will not allow the bolt to be closed on the chamber. The words "SAFE" appear in the dust cover opening and below the mag well. Print with 4 or more walls/bottom. A thicker/heavier print will hold up better. I have only printed it standing up so far, with good results. Use at your own risk, for airsoft only.

Frequently asked questions

Is this 3D model free to download?
Yes. AR-15 Magazine Chamber Flag is free to download from Thingiverse. Click the "Download free STL" button above to open the original listing.
Where is the STL hosted?
The download is hosted by Thingiverse, not by Thinger. We link you directly to the original listing by wishooter.
Who made this model?
Designed by wishooter, published on Thingiverse. Please credit the creator when sharing your print online.
Can I print this at home?
Yes. This model is intended for home FDM and resin 3D printers. Check the original listing for suggested print settings like layer height and supports.

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