[Ultra Tech] Variable Solid Propellant Firearm

[Fred Brackin]

Originally Posted by Tinman

One of the big benefits of cased ammunition is that when the case ejects it takes a lot of heat with it. Ny.

That's been the conventional wisdom for a while but now that polymer-cased ammo has started being used one of the benefits seems to be that using a thermal insulator rather than a conductor sends more heat out the barrel and the gun runs cooler.

This is still cased ammo but you might have to actually use caseless ammo in significant quantities to ee what happens.