Gun Nut

"Gun Nut" is an achievement/trophy in Deus Ex: Human Revolution. It is awarded for completely upgrading any upgradable weapon.
The PAX-22 Tranquilizer Rifle is recommended for this achievement, possessing only 3 upgrade slots.
See "Weapon modifications" for the exact locations of every upgrade.
ru:Псих-милитарист
Category:Deus Ex: Human Revolution achievements