Green River Sporting Black Powder

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Green River Sporting Black Powder

Many questions about this powder. I noted that the powder is bulky, light and if you look closely, has white throughout the granules, similar to what you'd find in Pyrodex.

This 70gr volume load, almost is equal in weight to 80gr Pyrodex rs. However, another important note.. Pyrodex in the early years was a lot more bulky when they first started out.

Very dull in color, Gray's, whites, chunky, no graphite to be seen.
Sure wish Doc was still alive to answer these questions!
I do plan on testing it out when the weather is cooler.

UPDATED: Looking through some notes, American Pioneer Powder 2fg, weighs exactly 59 grains with the powder measure set at 70gr.

Many questions about this powder. I noted that the powder is bulky, light and if you look closely, has white throughout the granules, similar to what you'd find in Pyrodex.

This 70gr volume load, almost is equal in weight to 80gr Pyrodex rs. However, another important note.. Pyrodex in the early years was a lot more bulky when they first started out.

Very dull in color, Gray's, whites, chunky, no graphite to be seen.
Sure wish Doc was still alive to answer these questions!
I do plan on testing it out when the weather is cooler.

UPDATED: Looking through some notes, American Pioneer Powder 2fg, weighs exactly 59 grains with the powder measure set at 70gr.


This powder was a true black powder. Tanyu Howard was trained by Bill Large to make GRRW barrels and was the genius and moving force behind Green River Black Powder.


The only known photo of the Green River Powder plant is the tower you can dimly seen here.

Tanyu “Black” Howard had been told not to wear his biker boots when in the building. because of the nails on his boot heels, the day it blew up he was wearing his boots and paid with his life when the tower went up.

SPARKS are SPARKS, not good around powders of any kind.

Jonathan & Buck wrote this about a great powder.