Bruce_in_Oz
The cordite that was good enough for ground pounders was not ideal for aircraft use. Cordite has a significantly more visible flash than granulated double-based powders. Lighting yourself up like Christmas with your own muzzle flash is a bad enough look: Blotting out your own night-vision with the "brilliance" of your own gunnery is absolutely NOT a good idea.
You mean like this? (Krinkov)
Attachment 115838
AZB