[Raynian]

It's intuitive enough as it is.

1 is always melee. Class specific melee if needed.

2 is typically the weakest weapon - the single shotty, for instance, or the railgun/tranq gun. (You have to remember, the railgun was a piece of shit backup weapon in TFC, or occasionally used on O engi to snipe buildings.) Sniper is misplaced here. Of course. (fuck the sniper)

3 is often the super shotty. 'nuff said. A great weapon, not weak, but not the mainstay of most classes.

4 is the nailgun (scout/sniper) or super nailgun, or for other classes, their second "strongest" weapon. Flamethrower, blue pipes.

5 is the "big guns". Assault cannon, IC, RPG, green pipes.

If you want to customize your keys, go into your .cfgs and do it yourself. bind 1 slot1 bind 2 slot2 etcetcetc.