While in Fallout 3 this was limited to the creation of custom weapons, New Vegas takes this a step further by allowing the creation of weapon variants based on basic weapons by adding weapon mods. Can you make custom weapons in fallout 3? This bad boy adds a whole bunch of the best classic Fallout weapons to the Wastelands in. This is by far the best mod out there if you intend to install various weapon mods at. Frequently Asked Questions Which is the best gun mod for fallout 3?ġ5 Best Fallout 3 Weapons & Gun Mods Worth Installing 1.