Roger

Roger is a merchant located at the Nuka-Cola factory in Salt Lake (40:3). If you bring him a suitable T4 part, he can upgrade your equipment for a price.

The exact cost of an upgrade depends on the type and tier of the item you're looking to improve; upgrading a T3 item costs 100,000 currency.

Note: There is a limit of one upgrade per item.

Note: To upgrade your armor/weapon, you have to wear it/have it in your active weapon slot.

Body armor upgrades

Body armor upgrades

T4 part	Perk
Advanced Polymers	Bonus Strength
Glass Polymers	Bonus Perception
Advanced Polymers	Bonus Endurance
Glass Polymers	Bonus Charisma
Polycarbonate	Bonus Intelligence
Polycarbonate	Bonus Agility
Steel Plate	Bonus Luck
Leather Hide	Cured
Recoil absorber	Laser Reflector
Enhanced Servomotors	Anti-Thermal System
Advanced shell	Defense Enhancement
T-51b shell	Advanced Plate
Engine	Mirror System
HiFlo hydraulic systems	Tesla Addition
Polymers	Shock Protection
Goretex	Firegecko Enhancement
TX-28 microfusion pack	Special Force Bonus
Carbon Polymer	Regeneration
Ceramic Plate	Fill The Gaps
Kevlar	Heavy
Plasma Transformer	Bonus Move
Plasma Transformer	Speed Mechanism
Electric amplifier	Sneaky
Capacitors	Utility
Microchips	Thwart Block
Carbon polymer barrels	Penetration Protection
Leather Hide	Survivalist
Enhanced Servomotors	Strategic Improvement
Rotary Chamber	Iron Skin
Electric Motor	Integrated Gloves
Plasma Accelerator	Defensive Belt

Weapon upgrades

Weapon upgrades

T4 Part	Perk Name
Cylindrical rotary lock	Bonus Ranged Damage
Carbon polymer barrels	Bonus Min Damage
Electric Motor	Bonus Max Damage
Optic Scope	Scoped
Unique plasma parts	Bonus Critical Power
Semi Trigger	Fast Trigger
Delinker Mechanism	Bonus Attack Speed
Plasma Accelerator	Slayer
Gun Control Module	Destroyer
Electromagnetic mechanism	Long Range
Wires	Penetrate
Auto trigger	Killing Spree
Rotary Chamber	Chip Shot
Electrical Transformer	More Critical
HiFlo hydraulic systems	Poisoned
Capacitors	Smasher!
Steel Plate	Spiked

Tier 4 parts

Picture	Part	Drop from	Armor upgrade	Weapon upgrade
	Optic Scope	Infinity mines Level 1	N/A	Scoped
	Polymers	Infinity mines Level 2	Shock Protection	N/A
	Goretex	Infinity mines Level 3	Firegecko Enhancement	N/A
	Carbon Polymer	Infinity mines Level 4	Regeneration	N/A
	Recoil Absorber	Infinity mines Level 5	Laser Reflector	N/A
	Cylindrical Rotary Lock	Infinity mines Level 6	N/A	Bonus Ranged Damage
	Electric Motor	Vault 12	N/A	Bonus Max Damage
	Delinker Mechanism	The Tunnel	N/A	Bonus Attack Speed
	High-Tech Gunpowder	Abbey	N/A	N/A
	Auto-Trigger	Area 51‎	N/A	Killing Spree
	Engine	Warehouse‎‎	Mirror System	N/A
	Semi Trigger	Tanker Basement‎‎	N/A	Fast Trigger
	Gun Control Module	The Temple	N/A	Destroyer
	Microchips	Laboratory X7‎	Thwart Block	N/A
	Mine Parts	Cathedral‎ Mariposa Military Base	N/A	N/A
	Capacitors	Mariposa Military Base‎‎	Utility	Smasher!
	Ceramic Plate	Talchem California HQ‎‎	Fill The Gaps	N/A
	Kevlar	Glow	Heavy	N/A
	Plasma Accelerator	Vault 15‎	Defensive Belt	Slayer
	Wires	Waterworks‎‎	N/A	Penetrate
	Plasma Transformer	Slavery Vault‎	Bonus Move ; Speed Mechanism	N/A
	Electrical Transformer	Hawthorne Military Base	N/A	More Critical
	Steel Plate	Paradise Valley‎	Bonus Luck	Spiked
	Leather Hide	Ares Rocket Silo	Cured ; Survivalist	N/A
	TX-28 Microfusion Pack	Ares Rocket Silo	Special Force Bonus	N/A
	Advanced Polymers	Vault 13	Bonus Strength ; Bonus Endurance	N/A
	HiFlo Hydraulic Systems	Vault 13	Tesla Addition	Poisoned
	Unique Plasma Parts	Vault 14	N/A	Bonus Critical Power
	Polycarbonate	Vault 41	Bonus Intelligence ; Bonus Agility	N/A
	Electromagnetic Mechanism	Vault 41	N/A	Long Range
	Glass Polymers	Sierra Army Depot	Bonus Perception ; Bonus Charisma	N/A
	Electric Amplifier	Sierra Army Depot	Sneaky	N/A
	Enhanced Servomotors	Navarro	Anti-Thermal System	N/A
	Rotary Chamber	Navarro	Iron Skin	Chip Shot
	Advanced Shell	Event Encounter	Defense Enhancement	N/A
	Carbon Polymer Barrels	Lost Signal tier I	Penetration Protection	Bonus Min Damage
	T-51b Shell	Lost Signal tier II	Advanced Plate	N/A

See also

• Weapon perks
• Armor perks