Stick-type powder that won't "trickle".

[Talyn]

Many reloaders trickle their stick powder charges to a kernel or two, but it may be tough with this stick-type extruded powder.

Don’t Try to Trickle These Sticks… Powder for Big Naval Guns « Daily Bulletin

Huge sticks of extruded powder for 14 and 16 Naval Guns used on battleships and cruisers. This powder used sticks the size of a soda can.

bulletin.accurateshooter.com

 

[Pitdogg2]

That is pretty darn cool!!

 

[shanneba]

I wonder what the stick-to-stick weight variation was.

 

[Shibadog]

Best I recall, sailers opening bags of that stuff for “souvenirs” for their friends was responsible for the explosion in #2 turret on Iowa. Grains of black powder the size of your finger are pretty cool, but nothing to play with