Is this 3D model free to download?

Yes, Airsoft M4 39 BB magazine, rubber band 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 Tomi_Lotila, 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 M4 39 BB magazine, rubber band

Source: Thingiverse by Tomi_Lotila

The Airsoft M4 39 BB magazine, rubber band is a free printable 3D model from Thingiverse by Tomi_Lotila. 3d printable m4 airsoft magazine Feaures - Capacity 39 BBs - Durable design - Lightweight at 64g - Low cost per magazine - Full magazine indicator Requirements - Rubber band. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

30 saves Source: Thingiverse Updated 2026-09-25

Tags: Airsoft, M4, 39, BB, magazine, rubber, band

About this model

3d printable m4 airsoft magazine Feaures - Capacity 39 BBs - Durable design - Lightweight at 64g - Low cost per magazine - Full magazine indicator Requirements - Rubber band (24cm in length) - Pencil spring (4mm in diameter, 1.5cm or 2.0cm in length) - 5 nails (1.5mm in diameter, 1.3cm in length, nail head is less than 4mm in diameter). Prints - Print 3 small pulleys (other parts you need only one) - Parts are best to be printed in the same orientation as shown in the picture - Infill 10% for Magazine_body - Infill 50% for Magazine_top - Infill 0% for the rest - No supports or rafts - Any hard filament material will work, like PLA. Other note - You can buy rubber bands, pencil springs and nails in bulk from Aliexpress.

Frequently asked questions

Is this 3D model free to download?: Yes. Airsoft M4 39 BB magazine, rubber band 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 Tomi_Lotila.
Who made this model?: Designed by Tomi_Lotila, 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.

Similar 3D models in Airsoft

Browse related collections

Free Nerf Blaster Mods & Accessories

Gear / Paid link The gear we print with Filament, tools, build plates and the hardware behind the models on Thinger, in one shoppable photo on our Amazon storefront. See the gear → Thinger earns a commission from qualifying purchases made through this link, at no extra cost to you.