This was a great invention and could have made a decisive effect on battles. Since the Austrians used it to equip their grenadiers, the situation of an assault formation with, for example, the M1 carbine, sounds great for a black powder battle.
Unfortunately, it was a "Secret". It ended up like the mitreuiluse in the 1870 Franco-Prussian war. So secret. That the generals had no idea of how to use it.
"These things must be done delicately-- or you hurt the spell." - The Wicked Witch of the West.
"We've got the torpedo damage temporarily shored up, the fires out and soon will have the ship back on an even keel. But I would suggest, sir, that if you have to take any more torpedoes, you take 'em on the starboard side." Pops Healy, DCA USS Lexington.