Nikkei Article Guns and Gunpowder

 

Https://bizgate.nikkei.co.jp/article/DGXZQOLM057NN005072022000000

Here is a great article by Nikkei by professor Fujita on Nobunaga and his use for firearms.  Key points:

Mass use and deployment of guns

Stable supply of raw materials 

Foreign and domestic production, Nobunaga wanted domestic production 

Quality of guns, gunpowder, and balls at Nagashino 

Tenka no tame!