Is this 3D model free to download?

Yes, Airsoft non-functional M203 Grenade Launchers is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link to open the original listing by the creator.

Where do I download the STL file?

The download is hosted by Thingiverse. Use the "Download from Thingiverse" link on this page to open the original listing and grab the file, or save it to your print queue in the free Thinger app.

Designed by hummermole, published on Thingiverse. Please credit the creator when sharing your print.

Can I print this at home?

Yes. This is a printable 3D model intended for home FDM and resin printers. Check the original listing for suggested print settings.

Airsoft non-functional M203 Grenade Launchers 3D printable model by hummermole

Airsoft non-functional M203 Grenade Launchers photo 1

Airsoft non-functional M203 Grenade Launchers photo 2

Airsoft non-functional M203 Grenade Launchers

Source: Thingiverse by hummermole

The Airsoft non-functional M203 Grenade Launchers is a free printable 3D model from Thingiverse by hummermole. Airsoft rail-mounted M203 replica grenade launcher. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

485 saves Source: Thingiverse Updated 2026-10-06 License: CC-BY-NC-SA · non-commercial 3 makes Category: Other

Tags: 40mm, ace, airsoft, CAG, Grenade, grenade launcher, launcher, M16, m203, M320, NSW, oda, seal, socom, Sof

About this model

Airsoft rail-mounted M203 replica grenade launcher. This is non-functional (i.e. it can't shoot airsoft 40mm grenades). I added one with the forward grip as well. The rail attachment is designed to be friction-fit only (no screws or bolts to attach). It fits tight so you may need some dish soap and a rubber mallet to get it on. I have versions that allow you to mount a tactical flashlight inside the barrel with the pressure switch attached to the forward grip. If there is any interest (leave me comments) I will post that as well as the M203 with LMT markings on the trigger body. Enjoy. I have the original .3mf files and can make longer versions and if anyone would like the standard barrel length. Update 23 March 2020: Added the model that allows you to mount a tactical flashlight with pres…

Frequently asked questions

Is this 3D model free to download?: Yes. Airsoft non-functional M203 Grenade Launchers is free to download from Thingiverse. Open it in the free Thinger app, or use the "Download from Thingiverse" link 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 hummermole.
Who made this model?: Designed by hummermole, 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.