Originally Posted by denton
Give or take some carbon residue and unburned powder, the mass of the gas equals the mass of the powder, just as Idaho Shooter said.

Smokeless powder converts almost entirely to propellant gas.

[quote=denton]

The Mass of the gas is one thing. The volume of gas is a whole different matter.

I prefer classic.
Semper Fi
I used to run with the hare. Now I'm envious of the tortoise and I do my own stunts but rarely intentionally