Borderlands 4’s loot grind is never-ending, as there’s always something better out there waiting to be found, and Firmware sets are a crucial part of any build. To make things easier for your hunt, we’ve got a full Firmware List for Borderlands 4.
While there are enemy modifiers that provide your enemies a boost, you can counter this with Firmware Sets in Borderlands 4, which provide bonuses depending on the number of pieces you have equipped. The more of the same Firmware you have, the better the boosts you receive.
A full breakdown of all the Firmware Sets and bonuses is featured in this guide.
All Borderlands 4 Firmware Sets & Bonuses, Listed

There are 21 Firmware Sets available in Borderlands 4 at launch, with the amount likely to be increased with future updates.
Firmware is a new feature in Borderlands 4, with set bonuses equipped to a maximum of five pieces of gear. This allows for considerably more flexibility on builds, allowing you to chase the maximum possible bonus from a Firmware set, or opt to have bits of different sets for a variety of boosts.
Bonuses range from increased damage, higher lifesteal, and reduced cooldowns, to entertaining buffs like spawning a missile strike after an enemy is defeated, and the ability to mix and match as you see fit provides significant depth to your builds.
The table below has a complete Firmware List for Borderlands 4, including the bonuses for having one piece, two pieces, and three pieces of a set.
| Name | 1 Piece Bonus | 2 Piece Bonus | 3 Piece Bonus |
|---|---|---|---|
| Action Fist | Melee Damage increased by 15% | Action Skill Damage increased by 10% | After a Melee kill, Action Kill Damage increases by 25% for eight seconds |
| Airstrike | Splash Radius increased by 20% | Splash Damage increased by 20% | On kill, missile strike drops on nearby enemies |
| Atlas EX | Gun Mode Switch Speed increased by 20% | Gun Damage increased by 10% when an Atlas Target Lock is active | When an Atlas Target locked enemy is killed, automatically Target Lock a nearby enemy |
| Atlas Infinum | Gun Fire Rate increased by 5% when Atlas Target Lock is active | Guns with Atlas parts gain 10% damage | Atlas Target Locks are infinite |
| Baker | Shield Capacity increased by 10% | Repkit Cooldown reduced by 15% | Maximum Health increased by 25% |
| Bullets To Spare | Fire Rate increased by 5% | Magazine size increased by 20% | Gun Fire Rate increased by 50% of Magazine size |
| Daed-dy O’ | Gun Mode Switch Speed increased by 25% | Magazine size increased by 15% | On Mode Switch, receive 20% damage and 20% Fire Rate for 5s |
| Deadeye | Accuracy increased by 30% | Critical Hit Damage increased by 25% | Every Critical Hit grants 15% Critical Damage per Stack (5 max) for 10 seconds |
| Gadget Ahoy | Ordnance Cooldown reduced by 15% | Ordnance Damage increased by 20% | Ordnance Kills grant 20% damage for 15 seconds |
| Get Throwin | Ordnance Damage increased by 10% | Splash Radius increased by 20% | Grenades and Tediore Thrown Guns have a 50% chance to spawn homing missiles |
| God Killer | Damage dealt to Badass enemies increased by 10% | Damage taken from Badass enemies reduced by 10% | After killing a Badass Enemy, damage dealt is increased by 20% for 60s |
| GOOJFC | Action Skill cooldown rate increased by 10% | Action Kill damage increased by 15% | Action Skill Cooldown rate increased by an additional 20% |
| Heating Up | Reload Speed increased by 20% | Amount of Overheated shots before breaking increased by 50% with CoV Gun Parts | Damage while overheating increased by 25% with CoV Gun Parts |
| High Caliber | Projectile speed increased by 25% | Gun damage increased by 10% | Bullets pierce enemies |
| Jacked | Zoom in speed increased by 20% | Hyperion Gun Shield capacity increased by 25% | Hyperion Gun Shields have 30% chance to ricochet projectiles back to enemies |
| Lifeblood | Repkit healing increased by 10% | Lifesteal increased by 5% | Regenerate 10% of maximum health on kill |
| Oscar Mike | Reload speed increased by 10% | Damage increased by up to 30% based on remaining ammunitation | Damage increased by up to 30% based on remaining ammunition |
| Reel Big Fist | Melee damage increased by 15% | Melee damage increased by additional 25% | Melee kills trigger a Nova explosion for 200% Melee damage |
| Risky Boots | When at less health than 35%, damage taken reduced by 30% | When at less than 35% health, movement speed increased by 35% | When at less than 35% health, damage dealt increased by 100% and Lifesteal increased by 5% |
| Rubberband Man | Damage reduction increased by 5% | Lifesteal increased by 5% | Bonuses granted by this Firmware are doubled |
| Trickshot | Reload speed increased by 5% | Critical Hit Damage increased by 10% | Critical Hits have a 50% chance to refill one Ammo to the currently equipped gun. |
Which piece of Firmware is most appealing for your build in Borderlands 4? Let us know in the Insider Gaming forum.
For more Borderlands 4, check out where to find the illusive boss Shadowpelt, and learn how you can add the Vomit Shotgun to your arsenal.



