4inch free float rail. Stubby Killer.  3D printable model by GreyRain

4inch free float rail. Stubby Killer.

Source: Thingiverse by GreyRain

The 4inch free float rail. Stubby Killer. is a free printable 3D model from Thingiverse by GreyRain. I saw this ris on here and it inspired me to make a ris I always thought was cool, this is based on the stubby killer design. 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 2026-09-24

Tags: 4inch, free, float, rail., Stubby, Killer.

About this model

I saw this ris on here and it inspired me to make a ris I always thought was cool, this is based on the stubby killer design. Update: 9-30-18 added v2 which now has the proper threads cut and just screws on. Update: 10-1-18 skipped v3 and now at v4 with a lip to hold back the outer barrel. made from Hushh's Design.

Frequently asked questions

Is this 3D model free to download?
Yes. 4inch free float rail. Stubby Killer. 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 GreyRain.
Who made this model?
Designed by GreyRain, 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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