Fallout: New Vegas weapon mods

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This page lists all weapon mods in Fallout: New Vegas.

The content is not described in full detail on this page. For details, please see the respective articles. For weapon mods in other Fallout games, please see "Weapon mod". For an overview of Fallout: New Vegas content, please refer to "Portal:Fallout: New Vegas".

 

Overview

One of the features added to New Vegas is the ability to custom modify certain base weapons. 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.

Unique weapons cannot be equipped with weapon mods, with the exceptions of the weathered 10mm pistol, Mercenary's grenade rifle, holorifle, and Elijah's Advanced LAER. 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 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 you are not limited in the amount of total mods you can apply to a single weapon, you 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 could not always be a good thing. For example, extended magazines is almost always beneficial unless the magazine must be reloaded on a shell by shell basis (ex: cowboy repeater), forcing a longer reload, or a scope on the other hand has pros and cons, as it may increase maximum range, but makes it 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.

Usage

Weapon mods are attached via the Pip-Boy. To attach a weapon mod you must have both the weapon it is intended for and the mod in your inventory. Highlight the weapon you want to mod within the items section of your Pip-Boy, then select the modding menu via the button as indicated in the top right of the info panel. After you have selected a mod, the weapon name will have a + after it to show it has been improved. Once a weapon mod has been installed it cannot be removed!

Guns

Pistols

Weapon	Mod	Attribute	Base ID
.357 magnum revolver	.357 revolver long barrel	Increases damage by 3	000eeeda
	.357 revolver HD cylinder	Increases condition by 50%	000eeed9
.44 magnum revolver	.44 revolver scope	Adds a short range scope (1.86x magnification)	0010c85b
	.44 revolver heavy frame	Increases condition by 50%	0010c85c
.45 Auto pistol Honest Hearts	.45 AP HD slide	Increases condition by 50%	xx008e17
	.45 AP silencer	Silences	xx008e18
9mm pistol	9mm pistol extended mags	Increases mag capacity by 7	000eed3d
	9mm pistol scope	Adds a short range scope (1.6x magnification)	000eed3c
10mm pistol Weathered 10mm pistol	10mm pistol silencer	Silences	00129878
	10mm pistol extended mags	Increases mag capacity by 4	0010c858
	10mm pistol laser sight	Decreases spread by 0,4	0010c859
12.7mm pistol	12.7mm pistol silencer	Silences	00147620
Hunting revolver (GRA) Gun Runners' Arsenal	Hunting rev. 6-shot cylinder	Increases cylinder capacity by 1 round	xx000836
	Hunting rev. match barrel	Decreases spread by 15%	xx000834

Rifles

Weapon	Mod	Attribute	Base ID
Anti-materiel rifle (GRA) Gun Runners' Arsenal	Anti-mat. rifle CF parts	Reduces weight by 7	xx000828
	Anti-mat. rifle custom bolt	Increases rate of fire by 20%	xx000829
	Anti-mat. rifle suppressor	Reduces noise from 'loud' to 'normal'	xx00082a
Assault carbine	Assault carbine extended magazines	Increases mag capacity by 6	0010c863
Assault carbine (GRA) Gun Runners' Arsenal	Assault carb. ext. mags	Increases magazine capacity by 6	xx00082b
	Assault carb. forged receiver	Increases condition by 33%	xx00082c
	Assault carb. light bolt	Increases rate of fire by 20%	xx00082d
Automatic rifle Dead Money	Automatic rifle upgraded internals	Increases rate of fire by 10%	xx012804
Brush gun	Brush gun forged receiver	Increase weapon condition by 50%	000eea72
Cowboy repeater	Cowboy repeater custom action	Increases rate of fire by 20%	000eed39
	Cowboy repeater long tube	Increases mag capacity by 4	000eed3a
	Cowboy repeater maple stock	Reduces weight by 1.5	000eed3b
Hunting rifle	Hunting rifle extended mag	Increases mag capacity by 5	0010c862
	Hunting rifle scope	Adds a high powered Scope (3.5x magnification)	0010c860
	Hunting rifle custom action	Increases rate of fire by 33.3%	0010c861
Light machine gun	Light machine gun expanded drums	Increases mag capacity by 110	0010c852
Service rifle	Service rifle forged receiver	Increases weapon condition by 50%	0010c851
	Service rifle upgraded springs	Increases rate of fire by 30%	0010c850
Sniper rifle	Sniper rifle suppressor	Silences	0010c864
	Sniper rifle carbon fiber parts	Reduces weight by 5	0010c865
Trail carbine	Trail carbine scope	Adds mid-range scope (2.6x magnification)	000eea70
Varmint rifle	Varmint rifle extended mags	Increases mag capacity by 3	000eeed8
	Varmint rifle night scope	Adds long-range night scope (2.86x magnification)	000eeedb
	Varmint rifle silencer	Silences	000eeed7

SMGs

Weapon	Mod	Attribute	Base ID
.45 Auto submachine gun Honest Hearts	.45 Auto SMG compensator	Reduces spread by 0.5	xx00996a
	.45 Auto SMG drums	Increases ammunition capacity by 20	xx00996b
9mm submachine gun	9mm SMG drums	Increases mag capacity by 30	000f18fc
	9mm SMG light bolt	Increases rate of fire by 30%	0010b968
10mm submachine gun	10mm SMG extended mags	Increases mag capacity by 10	0010c85d
	10mm SMG recoil compensator	Decreases spread by 1	0010c85e
12.7mm SMG	12.7mm submachine gun silencer	Silences	001476b0
12.7mm submachine gun (GRA) Gun Runners' Arsenal	12.7mm SMG laser sight	Decreases spread by 0.4	xx000822
	12.7mm SMG stacked magazine	Increases magazine capacity by 6	xx000823
	12.7mm SMG suppressor	Silences	xx000824
Silenced .22 SMG	Silenced .22 SMG expanded drums	Increases mag capacity by 60	0010c86f

Shotguns

Weapon	Mod	Attribute	Base ID
Hunting shotgun	Hunting shotgun longtube	Increases mag capacity by 3	000f0fe8
	Hunting shotgun choke	Decreases spread by 40%	000f0fe9

Heavy

Weapon	Mod	Attribute	Base ID
K9000 cyberdog gun Old World Blues	K9000 Mod - Resla Roil	Increases damage by 2	xx0155c5
	K9000 Mod - Mentat Chow	Increases rate of fire by 40%	xx0155c2
Minigun	Minigun damped subframe	Reduces spread to 0.35	0010c866
	Minigun high-speed motor	Increases rate of fire by 25%	0010c867
Shoulder mounted machine gun Lonesome Road	SMMG mechanical upgrade	Increases maximum condition of the weapon by 200	xx00925b
	SMMG recoil compensator	Reduces weapon spread by 0.2	xx00925a
	SMMG extended magazine	Increases magazine size by 15	xx00925c

Energy Weapons

Pistols

Weapon	Mod	Attribute	Base ID
Laser pistol (GRA) Gun Runners' Arsenal	Laser pistol combat sights	Adds iron sights	xx00083a
	Laser pistol focus optics	Increases damage by 3	xx00083b
	Laser pistol recycler	Every 4th shot is free	xx00083c
Plasma Defender (GRA) Gun Runners' Arsenal	Plasma Def. hi-cap terminal	Increases ammunition capacity by 32	xx00083d
	Plasma Def. scope	Adds a short range scope (1.65x magnification)	xx00083e
	Plasma Def. sheath stabilizer	Decreases spread by 0.2	xx00083f
Plasma pistol (GRA) Gun Runners' Arsenal	Plas. pistol hi-energy ionizer	Increases damage by 7	xx000840
	Plas. pistol mag. accelerator	Increases projectile speed by 100%	xx000841
	Plas. pistol recycler	Every 4th shot is free	xx000842
Recharger pistol	Laser RCW recycler¹	Every 4th shot is free	0010c854

¹ PC PlayStation 3 Xbox 360 The mod can also be attached to either the laser RCW or recharger pistol with full effects.

Rifles

Weapon	Mod	Attribute	Base ID
Holorifle Dead Money	Holorifle focus optics	Increases weapon damage (+25 DAM)	xx013b1a
	Holorifle advanced calibration	Decreases spread by 0.25	xx013b20
	Holorifle reinforced components	Improves weapon condition by 1.5% ¹	xx012805
LAER Old World Blues Elijah's advanced LAER Old World Blues	Auxiliary Recharger Chip	Replenishes ammunition (1/4 shots)	xx0155c4
	Prismatic Lens	Creates two beams that together do increased damage. (+30%)	xx0155c3
Laser RCW	Laser RCW recycler²	Every 4th shot is free	0010c854
Laser rifle	Laser rifle focus optics	Increases damage by 3	0010c869
	Laser rifle beam splitter	Splits beam and increases combined damage by 30%	0010c86a
	Laser rifle scope	Adds long-range scope (3.5x magnification)	0010c868
Plasma rifle	Plasma rifle magnetic accelerator	Increases speed of projectile by 200%	0010c86b
Tri-beam laser rifle (GRA) Gun Runners' Arsenal	Tri-beam LR focus optics	Increases damage by 3 per beam (9 total)	xx000849
	Tri-beam LR HD caps	Increases weapon condition by 200%	xx00084a
	Tri-beam LR hi-cap terminal	Increases ammunition capacity by 24	xx00084b

¹ PC PlayStation 3 Xbox 360 The description incorrectly states that condition is increased by 50%.

² PC PlayStation 3 Xbox 360 The mod can also be attached to either the laser RCW or recharger pistol with full effects.

Heavy

Weapon	Mod	Attribute	Base ID
Flamer	Flamer expanded tanks	Increases mag capacity by 60	0010c85f
Gatling laser	Gatling laser focus optics	Increases damage by 3	0010c86c
	Gatling laser carbon fiber frame	Reduces weight by 9	0010c86d
Plasma caster	Plasma caster HS electrode	Increases rate of fire by 25%	0010c855

Explosives

Rifles

Weapon	Mod	Attribute	Base ID
25mm grenade APW (GRA) Gun Runners' Arsenal	25mm G. APW exp. drum	Increases magazine capacity by 2	xx000825
	25mm G. APW long barrel	Increases projectile speed by 100%	xx000826
	25mm G. APW upgraded int.	Increases rate of fire by 25%	xx000827
Grenade rifle Mercenary's grenade rifle	Grenade rifle long barrel	Increases range by 100%	0010c856

Heavy

Weapon	Mod	Attribute	Base ID
Fat Man	Fat Man Little Boy kit	Reduces weight by 50%	0010c1ad
Grenade machinegun	Grenade machinegun high-speed kit	Increases rate of fire by 50%	0010c857
Missile launcher	Missile launcher guidance system	Decreases spread by .25	0010c86e
Red Glare Lonesome Road	Red Glare alpha strike	Increases speed of rockets by 200%	xx009259
	Red Glare auto launcher	Increases fire rate by 25%	xx00925d
	Red Glare far sighting	Adds a 4.35x magnification scope	xx009258

Melee

Bladed

Weapon	Mod	Attribute	Base ID
Chainsaw (GRA) Gun Runners' Arsenal	Chainsaw alloy frame	Decreases weight by 8	xx000831
	Chainsaw carbide teeth	Increases damage by 15	xx000832
	Chainsaw HD chain	Increases condition by 50%	xx000833
Katana (GRA) Gun Runners' Arsenal	Katana authentic blade	Increases damage by 5	xx000837
	Katana balanced grip	Increases attack speed by 20%	xx000838
	Katana protective sheath	Increases condition by 50%	xx000839
Ripper (GRA) Gun Runners' Arsenal	Ripper carbide teeth	Increases damage by 10	xx000846
	Ripper HD chain	Increases condition by 50%	xx000847

Blunt

Weapon	Mod	Attribute	Base ID
Baseball bat (GRA) Gun Runners' Arsenal	Baseball bat cork core	Increases attack speed by 20%	xx00082e
	Baseball bat maple body	Increases condition by 50%	xx00082f
	Baseball bat nails	Increases damage by 6	xx000830
War club Honest Hearts	War club casings	Increases weapon damage (+5 DAM)	xx00cc05
	War club honors	Increases attack speed (+25%)	xx00cc06

Unarmed

Weapon	Mod	Attribute	Base ID
Bear trap fist Dead Money	Bear trap fist heavy duty springs	Increases weapon damage (+3 DAM)	xx012806
Power fist (GRA) Gun Runners' Arsenal	Power fist chromed tubes	Increases condition by 100%	xx000843
	Power fist hi-cap valves	Increases damage by 8	xx000844
	Power fist ported chambers	Increases attack speed by 20%	xx000845

Vendors

There are currently 10 vendors who offer weapon mods in the Mojave Desert, with additional vendors included within add-on areas. Inventory of mods changes with stock rotation every 72 hours game time.

Name	Location	Guns					Energy			NCR	DM	HH	OWB	LR
		Tier 1	Tier 2	Tier 3	Tier 4	Tier 5	Tier 1	Tier 2	Tier 3	Tier 1	Tier 1	Tier 1	Tier 1	Tier 1
Alexander	188 Trading Post	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No	No
Arms merchant	188 Trading Post	No	No	No	No	No	No	No	No	Yes	No	No	No	No
Blake	Crimson Caravan Company	Yes	Yes	Yes	No	No	Yes	No	No	No	No	No	No	No
Chet	Goodsprings	Yes	No	No	No	No	No	No	No	No	No	No	No	No
Cliff Briscoe	Novac	Yes	Yes	No	No	No	Yes	No	No	No	No	No	No	No
Dale Barton	Fortification Hill	Yes	Yes	Yes	No	No	Yes	Yes	No	No	No	No	No	No
Gloria Van Graff	Silver Rush	No	No	No	No	No	Yes	Yes	Yes	No	No	No	No	No
Great Khan Armorer	Great Khan armory	No	Yes	No	No	No	No	No	No	No	No	No	No	No
Old Lady Gibson	Gibson scrap yard	No	No	No	No	No	Yes	No	No	No	No	No	No	No
Vendortron	Gun Runners	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No	No	Yes1	No	No
With Dead Money add-on
Sierra Madre Vending Machine	Abandoned Brotherhood of Steel bunker	No	No	No	No	No	No	No	No	No	Yes	No	No	No
With Honest Hearts add-on
Joshua Graham	Various in Zion Canyon	No	No	No	No	No	No	No	No	No	No	Yes	No	No
With Old World Blues add-on
Sink Central Intelligence Unit	The Sink	No	No	No	No	No	No	No	No	No	No	No	Yes	No
With Lonesome Road add-on
Commissary terminal	The Divide	No	No	No	No	No	No	No	No	No	No	No	No	Yes

¹ After completion of Honest Hearts

Guns Tier 1

• Varmint rifle
• .357 magnum revolver
• 9mm pistol

Guns Tier 2

• 10mm pistol
• 9mm submachine gun
• Cowboy repeater
• Service rifle

Guns Tier 3

• .44 magnum revolver
• Silenced .22 SMG
• 10mm submachine gun
• Hunting rifle

Guns Tier 4

• Trail carbine
• Assault carbine
• Sniper rifle
• Hunting shotgun
• 12.7mm pistol

Guns Tier 5

• Minigun
• Light machine gun
• Brush gun
• 12.7mm submachine gun
• Grenade machinegun
• Fat Man

Energy Tier 1

• Laser rifle
• Plasma rifle
• Grenade rifle

Energy Tier 2

• Laser RCW
• Flamer

Energy Tier 3

• Gatling laser
• Plasma caster
• Fat Man
• Missile launcher

NCR Tier 1

• Service rifle
• 10mm pistol
• Grenade rifle
• Hunting rifle
• 10mm submachine gun
• Missile launcher
• 12.7mm pistol
• Sniper rifle
• Assault carbine

Dead Money Tier 1

• Auto. rifle upgr. internals
• Bear trap fist HD springs
• Holorifle adv. calibration
• Holorifle focus optics
• Holorifle reinf. components

Honest Hearts Tier 1

• .45 AP HD slide
• .45 AP silencer
• .45 Auto SMG comp.
• .45 Auto SMG drums
• War club casings
• War club honors

Old World Blues Tier 1

• K9000 mod - Mentat chow
• K9000 mod - Resla roil
• LAER mod - auxiliary recharger chip
• LAER mod - prismatic lens

Lonesome Road Tier 1

• SMMG Extended Magazine
• SMMG Mechanical Upgrade
• SMMG Recoil Compensator
• Red Glare Alpha Strike
• Red Glare Auto Launcher
• Red Glare Far Sighting

Achievements

Attaching 20 mods to weapons grants the Mod Machine achievement/trophy.

Notes

• Oddly, weapon mods have a weight of "0.00" listed in their stats where most weightless items have no number displayed at all.

Behind the scenes

According to J.E. Sawyer, Fallout: New Vegas' project director and lead designer, during brainstorming and development, an appropriate skill level and a workbench would be required to attach a weapon mod. This was later scrapped during development because it came down to the player having already spent a sum of caps for the mod that they wanted to use as soon as they bought it, making the price and usefulness of the mod the main driving force toward the purchase, rather than skills and accessibility to workbenches.

References

Weapon mods in Fallout: New Vegas .357 Magnum revolver Long barrel  · Heavy duty cylinder .44 Magnum revolver Scope  · Heavy frame 9mm pistol Extended magazines  · Scope 10mm pistol  · Weathered 10mm pistol Silencer  · Extended magazines  · Laser sight · Cut content Heavy frame 12.7mm pistol Silencer Assault carbine Extended magazines Brush gun Forged receiver Cowboy repeater Custom action  · Long tube  · Maple stock Service rifle Forged receiver · Upgraded springs · Cut content Bayonet · Cut content Reflex sight Trail carbine Scope · Cut content Custom stock · Cut content Forged receiver Hunting rifle Extended magazine  · Scope  · Custom action · Cut content Stripper clip Sniper rifle Suppressor  · Carbon fiber parts Varmint rifle Extended magazines  · Night scope  · Silencer 10mm submachine gun Extended magazines  · Recoil compensator 12.7mm submachine gun Silencer 9mm submachine gun Drums  · Light bolt Silenced .22 SMG Expanded drums Hunting shotgun Long tube  · Choke Minigun Damped subframe  · High-speed motor Light machine gun Expanded drums Laser RCW  · Recharger pistol Recycler Laser rifle Focus optics  · Beam splitter  · Scope Marksman carbine Cut content Extended magazine Plasma rifle Magnetic accelerator Flamer Expanded tanks Gatling laser Focus optics  · Carbon fiber frame Plasma caster High-speed electrode Grenade rifle  · Mercenary's grenade rifle Long barrel Fat Man Little Boy kit Grenade machinegun High-speed kit Missile launcher Guidance system Dead Money Automatic rifle Upgraded internals Bear trap fist Heavy duty springs Holorifle Focus optics · Advanced calibration · Reinforced components Honest Hearts .45 Auto pistol Heavy duty slide · Silencer · Cut content Beveled magazine well  · Cut content Improved sights .45 Auto submachine gun Drum magazine · Compensator War club Casings · Honors Old World Blues K9000 cyberdog gun Mentat chow · Resla roil LAER  · Elijah's advanced LAER Auxiliary recharger chip · Prismatic lens Lonesome Road Red Glare Alpha strike · Automatic launcher · Far sighting Shoulder mounted machine gun Extended magazine · Mechanical upgrade · Recoil compensator