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Funny you say base, lightman.

How does one cast hollow base bullets?

Just to note, there are two types of powder for powder coating.

Thermoplastic is typically nylon, which can release NOx as some of it cooks off down the barrel.

If you can, use thermoset....

Those look nice.

Some of the u toobs vids basically say, you'll need to keep casting to get them to your perfect state. Keep casting and each time improve upon your skill.

The sawdust fluxing...

It's always zero to max speed, and under acceleration, so the rpm varies quite a bit depending on powder profile. I always wondered if two lube recipes could be stacked, a harder lube in 1st then...

Angled all the way to the back, or just a edge chamfer? Is there any flight data for the various styles (one more stable than another)?


https://s33.postimg.cc/4sk1i0uqn/Untitled-1.png

The sizing of the angled groove would be changed to accommodate the needed amount. The pic was just for illustration purposes only. I am pretty sure that if angles would help in either lube or stable...

Has this type of design been tested before?
I might do a custom made mold for std 300blk 16", kicking around some ideas.

Was thinking maybe the angle would allow lube to flow off easier as bullet...