this post was submitted on 12 Oct 2025
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The Ark

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Re-upload of r/fosscad from 2015 - June 2025.

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Thanks to @hogleg@forum.guncadindex.com for providing the Reddit archives!

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Kaewon's Wisp in action (v.redd.it)
submitted 1 month ago by noah@fosscad.io to c/ark@fosscad.io
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Originally posted by u/Print-a-22 at 2024-11-14T17:55:09Z

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This thing is a ton of fun. Definitely make sure you file your extractor groove before gluing your liner into the barrel, as it's really difficult to do well once it's glued in. I'll be reprinting a barrel to follow my own advice. Speaking of best practices, if you use the threaded barrel, print at an angle. I printed vertical and my can was too heavy and broke the plastic threads off, hence the exposed liner at the tip.

If you'd like to build one, hardware kits are available at my username dot com, and ready to ship including all laser cut parts. Kits are BYOBarrel, so you either need an RS22, or any length chambered barrel liner.

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[–] noah@fosscad.io 1 points 1 month ago (2 children)

u/kaewon · 2024-11-14 20:45:47 UTC · score 14

FYI if RS22/RB22 barrels are out of stock from rossi, you can find plenty on ebay along with mossberg 702 barrels which are the same. Good for all my other projects and future ones too.

Liner does have an advantage of being lighter and cut to any length but I know some people don't want to chamber liners.

[–] noah@fosscad.io 1 points 1 month ago (1 children)

u/tankspikefayebebop · 2024-11-15 04:19:30 UTC · score 2

Do you think it would be possible to cut down a mossberg 702/RS22/RB22 to 8"-10" and then thread it? I feel as if its less to have a baffle strike incase the thread adapter comes off or something drastic?

[–] noah@fosscad.io 1 points 1 month ago

u/kaewon · 2024-11-15 04:48:29 UTC · score 3

If you have the tools to do it, go for it. Even if someone didn't need threads and just wanted a shorter barrel, they could cut it. Following all laws of course.

[–] Wyno 1 points 2 weeks ago

Just came back in stock and code BF2025 brings the cost down to $35 + tax and FS. $37 for a barrel shipped to FL is hard to beat.