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Weapon mods have appeared in one way or another in Fallout, Fallout 2, and Fallout 3. They appear as an active feature for the first time in Fallout: New Vegas due to their popularity as a third party mod in Fallout 3. New mods were introduced with the new crafting system in Fallout 4. Fallout 76 has a similar system of weapon modding except one needs to scrap weapons in order to learn the mods and it decreases max weapon durability.

Fallout[]

Only Smitty can perform modifications in Fallout, and the only weapon he can upgrade is the Winchester P94 into a turbo plasma rifle.

Fallout 2[]

In Fallout 2, gunsmiths can upgrade some weapons for the Chosen One. One of Skeeter's quest rewards is a free weapons upgrade.

Vault City Downtown Gecko junkyard New Reno Arms Buster's Fine Emporium of Armament
Original weapon Upgraded weapon Upgrade effect Valerie Skeeter Eldridge Algernon Buster
Fo2 .44 Magnum Speedloader Reduces reloading cost to 1 AP $650 / $800 ~$2,000 no charge No
Cattle prod Fo2 Super Cattle Prod Increased damage $650 / $750 ~$3,000 no charge No
Desert Eagle Fo2 Desert Eagle Expanded Mags +12 magazine capacity $850 / $1,000 ~$3,000 no charge No
Hunting rifle Fo2 Scoped Hunting Rifle Weapon Scope Range No ~$4,000 no charge $500
Assault rifle Fo2 assault rifle Expanded Mags +76 magazine capacity $1,350 / $1,500 ~$6,000 no charge No
FN FAL Fo2 FN FAL Low-light Removes penalties for illumination $3,100 / $3,500 ~$12,000 no charge No
Power fist Mega power fist Increased damage No No no charge No
Laser pistol Fo2 Magneto-Laser Pistol Weapon Penetrate No No no charge No
Plasma pistol Fo2 Plasma Pistol Extended Capacity +16 charge capacity No No no charge No
Laser rifle Fo2 Laser Rifle (Ext. Cap.) +12 charge capacity No No no charge No
Plasma rifle Turbo plasma rifle Increased damage No No no charge No
Flamer Improved flamer Increased damage and Weapon Flameboy No No no charge No
Flamethrower fuel Flamethrower fuel Mk II Better DR mod No No no charge No
Notes Reduced price if Charisma is 6 or greater or Barter is 75% or greater Actual cost is the base price listed above multiplied by (250/(160+ Barter)) No Buster will only upgrade a hunting rifle once


Fallout 3[]

The only upgrades seen in Fallout 3 are scopes, the occasional use of silencers and the use of extended magazines. Other differences between unique weapons do not technically count as weapon mods, seeing as there is only one of each unique weapon.

Fallout: New Vegas[]

This section is transcluded from Fallout: New Vegas weapon mods. To change it, please edit the transcluded page.
Weapon mods can increase ammunition capacity and damage, reduce spread and weight, or add special equipment like scopes.Fallout: New Vegas loading screen

One of the features added to Fallout: New Vegas is the ability to custom modify certain base weapons. While in Fallout 3 this was limited to the creation of custom weapons, Fallout: New Vegas takes this a step further by allowing the creation of weapon variants based on basic weapons by adding weapon mods.

Unique weapons cannot be equipped with weapon mods, with the exception of the weathered 10mm pistol, the Mercenary's grenade rifle and the holorifle. While unique guns usually have better base stats, Obsidian Entertainment introduced this inherent drawback of unique weapons to balance out unique and normal weapons and make the choice less of an obvious decision and more of a preference. However, some unique variants have both mods and better base stats. Such is the case of the varmint rifle's unique variant, the Ratslayer, which has all of the mods the varmint rifle can be equipped with.

By themselves, the weapon mods are weightless and serve no function but, once attached to their specified weapon, will change the characteristics, look and/or function to create a distinct variant. The weapon mods range from scopes and silencers to extended mags and several in-between. In the case of the varmint rifle and other such weapons there exists more than one different type of modification. While the player is not limited in the amount of total mods they can apply to a single weapon, they are limited to one of each type of mod per single weapon and therefore are not able to stack attributes like increased rate of fire.

Once a weapon mod is attached to a weapon it cannot be removed and remains a permanent feature of that weapon, along with its added attribute. However, this might not always be a good thing. For example, extended magazines are almost always beneficial, unless the magazine must be reloaded on a shell by shell basis (ex: cowboy repeater), forcing a longer reload (not necessarily forcing the reload to be longer, since pressing the fire button stops the reload); scopes also have pros and cons, as they may increase maximum range, but make the gun harder to use in close combat situations.

The addition of a mod to a weapon will permanently increase the overall monetary value of that weapon by the value of the mod, even if the weapon is completely broken at the time it is applied.

Fallout 4[]

This section is transcluded from Fallout 4 weapon mods. To change it, please edit the transcluded page.

Weapon mods can be built from raw materials and attached to weapons at weapons workbenches. There are over 700 mods[1], including scopes, barrels, stocks and more. For guns the Gun Nut perk is required, while Science! is required to modify energy weapons and advanced modifications for guns and Blacksmith is required for most melee weapons mods.

Most pistols, rifles and shotguns offer the option to customize grips/stocks, receivers and sights, changing which perks affect the weapon.

  • Any weapon with an automatic receiver gets bonuses from the Commando perk.
  • Pistols with non-automatic receivers get bonuses from the Gunslinger perk.
  • Rifles and shotguns with non-automatic receivers get bonuses from the Rifleman perk.
  • The Sniper perk only works on non-automatic rifles with scopes which use the "hold breath" mechanic.

Grip mods create pistol weapons, while stock mods create rifle weapons. This allows for almost any ranged weapon to be customized to fit the player character's build.

Fallout 76[]

In Fallout 76, weapon mods are done similarly to Fallout 4 with the main differences being one has to learn the mod by scrapping weapons and it reduces max condition.

Appearances[]

Weapon mods appear in Fallout, Fallout 2, Fallout 3, Fallout: New Vegas, Fallout 4, and Fallout 76.

Gallery[]

References[]

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