A little constructive demolition can go a long way! More tests are coming, so stay tuned.
This is the V3.1 lower and was printed with PLA filament.
Visit https://www.hoffmantactical.com/blog/version-31-ar-15-lower-files#/ for files.
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https://www.youtube.com/watch?v=vUgTAI1rP8I
This download contains a print settings reference sheet intended to illustrate to the reader the basic settings important to part strength, and how changing those settings will affect the part. The PDF can be printed onto a standard 8.5 x 11 sheet of paper using a monochrome printer. The recommended settings are those found to be best for most firearms parts, and are by no means universal.
The front take down pin on the Super Lower is supported by the front take down plates. Today I will go over why I use these plates and how they work.
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https://www.youtube.com/watch?v=SU48DXs1FYc
Ten 5.56 x 45 tracer rounds, full auto, fired from 150 yards. The take away? We need MORE tracers (why are they no longer available?).
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https://www.youtube.com/watch?v=AVtRgQi6gO4