Rarity weapons

This will rank from highest to lowest for weapons and their rarity.

Uncommon
water

canned food

chips

Common
glock

revolver

hammer

flashlight

Scar-L  (If you memorize it's guaranteed spawn locations)

Rare
katana

baseball bat

gatling gun

sniper

shotgun

Legendary
chainsaw (buy)

scythe

rocket launcher

ice cream