1.Rifle
2. Handgun
3. Spear
4. Sword
5. Knife
For all the rest, you need extreme practice and knowldge how and when to employ. ( Helps with rifle and handgun as well, but not critical at extreemly short ranges).
For a determined attacker, a blow-even to the head- may not stop you from a knife wound from a Maniac.
Gravity wepons suck in close quarters. Welcome to the real world... Whaaaa ( obligatory Bruce lee war whine/cry)