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12g x 68mm Solid printed inserts
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HeavyRainBuilds @HeavyRainBuilds:5
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RELEASE // lbry // 40dffc3b9451d326a0b8b24…
Released October 27, 2025, 9:50 AM Indexed March 9, 2026, 12:51 AM 275.5KiB

Since im stuck with the splitted versions and had the opportunity to test my designs here are the latest versions of my 12gauge x 68mm inserts.

Still: don't add any powder to them!
print them slow, steady and sturdy.
Print them in PLA+ at least.

The 15mm- and the .43-rubber-inserts can be reloaded until you see/feel wear and tear.
The .177 and .22 should not be reloaded more than 2 times. After this the polygon-rifling is allready gone.
I only use them once.

I printed them with 6 walls, 70 bottoms (circular pattern) and 3 tops, no ironing and 45% trihexagonal infill.

LBRY Tags: 3d2a; stience; printing

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