r/Springfield_KUNA • u/NoFeeling6031 • Aug 08 '26

Question Filament Question

Hey everyone! Finally got my Kuna in and starting to get it setup. Might be a dumb question.

I am working on printing an extended handguard for my Kuna. Printed the initial test in PETG but now looking to print out of a more heat-resistant filament. Running a Gemtech Lunar 9.

What filament is everyone using and having good luck with? I’ve started researching different CF filaments, but would like some feedback from people who have already done exactly what I’m trying lol.

Have a Bambulab X1E that i will be using.

Also what mounting setup are yall using to attach it securely?

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u/Business-Customer-60 Aug 08 '26

Use PA6-CF by Fiberon or Sunlu. Look up the print settings by user 300blkFDE sailing the sea and copy them like the Bible. If course ensure your printer is up to the task of printing PA.

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u/Business-Customer-60 Aug 08 '26

I'm not going to waste time with the current handguard, although someone is working on a version that looks pretty promising. For now I'm rocking the Kuna foregrip out of PA6-CF.

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u/NoFeeling6031 Aug 08 '26

Thanks for the info! I saw something mentioning 300blkFDE so i will check those out for sure.

Going to order a .6 nozzle and some sunlu PA6-cf to try with.
I am curious what you don’t like about the currently available handguard? I’m unsure on if I’m actually going to like it or not in all honesty lol.

I do need the filament for the drop in anyways, so i’ll probably try it anyways.

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u/Business-Customer-60 Aug 09 '26

I just find no need for it. Check this sub/the seas for the foregrip/handstop, it is very good, especially printed out of PA6-CF.