Signature Weapons are special versions of existing weapons in Far Cry 3 with a unique name, upped specs, and even custom paint jobs: * AMR — Z93 with extended magazine, high powered scope, explosive rounds and custom paint. Available after finding 20 Relics. (Sniper Rifle) * Bull — M133 with Reflex Sight, extended magazine and custom paint. Available after finding 10 Relics. (Shotgun) * Bushman — P416 with marksman scope, extended magazine, suppressor and custom paint. Available after deactivating all 18 Radio Towers. (Assault Rifle) * Cannon — .44 Magnum with extended barrel, optical sight, 6 round cylinder and custom paint. Unlocked via Uplay. (Pistol — Revolver) * Japanese Tanto — Custom Machete. Available after finding 6 Letters of the Lost. * Ripper — MKG with o