AFAIK both of these have been experimented with, though without much ultimate success. For what it's worth, both ideas are represented by weapons in the old Cy

AFAIK both of these have been experimented with, though without much ultimate success. For what it's worth, both ideas are represented by weapons in the old Cyberpunk 2020 rulebook so they must have been in the zeitgeist someplace: * the Royal Enfield Ordnance Liquid Propellant Assault Rifle LPA1 http://rpg.web-mage.ca/pages/weapdesc.php?id=995 http://rpg.web-mage.ca/pages/weapdesc.php?id=995 * the Malorian Arms Sliver Gun http://rpg.web-mage.ca/pages/weapdesc.php?id=824 http://rpg.web-mage.ca/pages/weapdesc.php?id=824