My pleasure! Had a feeling those wouldn’t be up terribly long lol.
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Sweet build, thanks for the quality info as well!
Happy to help! Best of luck to you with the build.
Fingers crossed I can catch a restock on the surplus kits! Where did you get yours and how did that go if you don’t mind me asking.
From the receiver readme “[TIGHT & TIGHTER TRUNNION] (I had too loose a fit on the Original Trunnion so I pushed the lip that interacts with the receiver lock higher. Use this version only if you find slop between the trunnion and lock.)”
My understanding is that there are different file versions for the receiver if you have tolerance issues. When Riptide tells you that its saying that the tolerances for their trunnion are meant to be compatible with the “standard receiver” file. Should work on the surplus stocks.
Having said that I haven’t printed one myself, just interpreting the files. Ymmv
Good to know, wonder if I can still get into mine 😂
Some CAD software locks .STEP behind a paywall, I really like shapr3d and really don’t have the $300 a year rn to drop on unlocking better files.
But yeah, I feel you, I really want to remix some files but half of them are .STL.
The Phantom Pup assembly manual has OAL with a 16“ barrel at 26“ with the stock extended. Obviously I don’t know how long the receiver on the Quokka is but I‘d be surprised if it was that much shorter than the FM-15.
Dude I am stoked by this development, ever since the FM-15 upper prices got hiked I have been holding out for someone to make exactly this possible.




I think centerfire systems has them in stock.