Yes. It is a valid substitute for black powder.
I want to know.
That depends... Early versions of the Kentucky Long-Rifle were flintlock guns and thus required flint to ignite the powder in the flash-pan. Later versions were made to use percussion caps; while many of the older flintlocks were modified by gunsmiths and 'upgraded' to percussion caps.
a rifle cap.
The Boeing 777 use the Pneumatics system.
1800
If you have the money.
It should be a #11 cap.
your rifle is a percussion rifle from the civil war in 58 caliber. value depends on overall condition. estimate plus or minus $500
What kind of hydraulic fluid does a 777 crane take
in us dollar 3.500 in Europe 4.500 euro.i have one nice rifle .im from Norway
Seek a professional appraisal
You need the services of a gunsmith