As the name suggests, it's a gun case that holds non-conventional and high tech weapons and modifications, such as mini nukes, Gatling lasers, and Tesla cannons.
- Three at Dry Wells, one near the dock, in a ruined house; the other further down the road, near ground zero
- Three at the Long 15, one near a highway pillar at the gate to the Mojave Outpost, the other two further to the west near an overturned truck. They contain a Tier 5 Energy Weapons-, Guns- and Melee Weapons skill weapon.
- Three are found at The Courier's Mile, one left of the map center, the other two to the southeast.