Tuning Spacers for FX Carbon Fiber sleeve on FX Crown MKII

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srtmat said:
I finally got around to designing some spacers and I thought I would share the file for those with 3D printers.
I decided to make mine out of TPU and eliminate the need for o-rings.
My carbon liner O.D. measures 11.9mm from my understanding that is pretty standard.

www.thingiverse.com

TPU Superlight spacer carbon sleeve by srtmat

FX barrel spacer for liners that have carbon fiber sleeves. This was designed to use on my FX Crown MKII with Superlight barrel .25 Cal. My carbon sleeve O.D. measures 11.9mm These will slide on quite hard, I used Isopropyl alcohol and a twisting motion. You want them tight so the don't move...
www.thingiverse.com www.thingiverse.com

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Hi first time on Airgun Nation, I am based in New Zealand so love to see what you guys are doing with FX air guns, I have a FX Crown MKII .22 Continuum with all the Huma Air added parts to shoot slugs, dual port, heavy spring pin prob.
Can I ask what size CF tube are you using for the supper light barrel liner, the only one I can get in NZ is 8mm ID 10mm OD, I measured my barrel with the digital callipers, it comes out at 8.1mm or 0.318898", as you can imagine I am very limited as to what I can get over here.
I mostly shoot longer distances with my rabbit pest control with 25gr slugs at 985 fps, with 700mm barrel, I am getting good grouping less than 1 MOA @ 110yrd and less than 2 MOA @ 160yrd.
your thoughts please
 
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