Is this 3D model free to download?

Yes, Picatinny Buffer Plug 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 Maverick0197, 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.

Picatinny Buffer Plug

Source: Thingiverse by Maverick0197

The Picatinny Buffer Plug is a free printable 3D model from Thingiverse by Maverick0197. Update 08/14/2021: Updated EndplateV2 to keep it from catching on the charging handle. You can download the STL file from the original listing below and print it at home.

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94 saves Source: Thingiverse Updated 2026-09-07

Tags: Picatinny, Buffer, Plug

About this model

Update 08/14/2021: Updated EndplateV2 to keep it from catching on the charging handle. Update 08/10/2021: Added a V2 Endplate that allows the use of metal endplates. Added a hole in the Rail so that the Endplate can be removed from the Plug without removing the Rail. This is a buffer tube plug that adds a picatinny/1913 rail for alternative stock mounting on an airsoft or dedicated 22 lower. It is based off the BoreBuddy design. I used the threads from this plug (www.thingiverse.com/thing:2258017). Installation: Using a 6mm allen wrench, screw the threaded Plug into the lower until the back of the plug is flush with the back of the lower. Insert the M3 nuts into the back of the Endplate. Using the M4, attach the Endplate to the plug. Using the M3's, attach the Rail to the Endplate. Hardwar…

Frequently asked questions

Is this 3D model free to download?: Yes. Picatinny Buffer Plug 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 Maverick0197.
Who made this model?: Designed by Maverick0197, 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.