Is this 3D model free to download?

Yes, Nerf Caliburn - SCAR barrel 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 captainslug, 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.

Nerf Caliburn - SCAR barrel 3D printable model by captainslug

Nerf Caliburn - SCAR barrel

Source: Thingiverse by captainslug

The Nerf Caliburn - SCAR barrel is a free printable 3D model from Thingiverse by captainslug. CHANGE NOTE: 04/15/18 - Added a "Jam Nut" that can be used to lock the setting for the front half of the assembly. You can download the STL file from the original listing below and print it at home.

Open in Thinger (free) Download from Thingiverse

391 saves Source: Thingiverse Updated 2026-10-14 License: CC0 · commercial OK 1 makes Category: Outdoor & Garden

Tags: homemade, nerf, Nerf gun

About this model

CHANGE NOTE: 04/15/18 - Added a "Jam Nut" that can be used to lock the setting for the front half of the assembly. CHANGE NOTE: 04/09/18 - Two halves now attach using printed screw features on both parts. Drive a 4-40 screw into the hole in the "fin" of the front half then align it with the interrupt in the thread. Use same screw to lock the front half once you've set the desired length. Use same method to adjust then lock in the desired "twist". CHANGE NOTE: 2/19/18 - Added a 3-lug locking feature to both halves that will keep the assembly together. CHANGE NOTE: 1/20/18 - Now uses nested locknuts in order to avoid having to tap the holes for the screws. CHANGE NOTE: 12/07/17 - Added Instructions CHANGE NOTE: 12/06/17 - Changed the seam line between the parts to be at the midway point to a…

Frequently asked questions

Is this 3D model free to download?: Yes. Nerf Caliburn - SCAR barrel 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 captainslug.
Who made this model?: Designed by captainslug, 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.