Projectile based weapon's are very common, and cheap. Many people will have, or had some form of projectile weapon.
The second most numerous weapon of them all. Many thugs, soldier's, pirates, robots, ect have these forms of weapons. Blaster's, and such are under this.
A rather expensive form of Projectile weapon, one that is either gained through trade with The Military, or Corporation, or one that is bought on the black market.
Covenant based weapon's. Not so easily received as everything else. Second most difficult weapon type to get. Mostly Criminal Organization's will have them if they are not Covenant, or from the Covenant.
The most expensive of all weapon's. Only those who have been, or have fought Military, or Jedi can get weapon's like these.