Make Your Own Black Powder Part Three: DIY Ball Mill
A ball mill tumbles the powder in a drum with lead balls in order to grind, it is a safe and practical way of grinding black powder! ... https://www.youtube.com/watch?v=XrRA_yZeSeA
PLA+ has a range of great properties. In fact, it's almost a perfect filament. It only lacks one thing: Thermal resistance. I left one of my eSun PLA+ lower in a hot car for an hour or so to see how it holds up.
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https://www.youtube.com/watch?v=YaMhfs1-C7o
The Sovol SV04 is an IDEX printer that can be had for less then $500. This makes it an interesting option for multi-material printing. In this review, I'll share my thoughts after using it for several months.
The Printer : https://sovol3d.com/products/sv04
A couple other reviews for more prospective:
@3DPrintGeneral https://youtu.be/7ae-cjJ2tDc
@LostInTech3D https://youtu.be/XZLsALPx6AM
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https://www.youtube.com/watch?v=ZhleMox69XA
@CanineDefenseTechnologies is developing and pursuing an important line of defensive tech; UAV's and other unmanned vehicles.
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https://www.youtube.com/watch?v=6mvsve3G8iU
**This lower design is outdated** Here is the link to the latest video: https://www.youtube.com/watch?v=7LsPJicHXfo
Check out the link above, it is a MUCH improved design! There will be more coming as well.
Read more on the blog:
https://www.hoffmantactical.com/blog/finally-a-3d-printed-ar-15-lower-that-assembles-right-off-the-bed-with-a-standard-classic-build-kit#/
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https://www.youtube.com/watch?v=TCKEZ5SVuHE
The Super Safety is a 3D printed active trigger system for the AR-15. It's safe, effective, and fast.
Music used in this video:
https://pixabay.com/music/pulses-tense-detective-looped-drone-10054/
https://pixabay.com/music/upbeat-tense-anticipation-151340/
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https://www.youtube.com/watch?v=i1ADTvaYhY4
"Ghost Guns" are here to stay! This is the version 2.6 3D printed lower, printed with Carbon Fiber PETG plastic. We have fired a total of 105 rounds of 556 with this printed lower! The lower was unfazed by the stress and the heat. Files are available free from my blog:
https://www.hoffmantactical.com/blog/100-round-live-fire-test-of-the-v26-3d-printed-ar-15-lower#/
This is the plastic I used:
https://www.kimya.fr/en/product/petg-carbon-3d-filament/
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https://www.youtube.com/watch?v=7LsPJicHXfo
Some times referred to as an AR-10 lower. This LR-308 lower is used on 7.62 x 51 uppers. As well as other high powered rifle calibers like 6.5 Creedmoor.
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https://www.youtube.com/watch?v=3Ox9kvVR2NA