Monopoly Go
FC 27
College Football 27
Wardogs
NBA 2K27
Madden NFL 27
Path of Exile 2
Diablo 4
Elden Ring
Pokemon Go
Steal a Brainrot
ARC Raiders
Borderlands 4
Grow A Garden 2
Palworld
Dice Dreams
Marvel Rivals
Whiteout Survival
Pokemon TCG Pocket
EA FC 25
Bigo Live
Throne And Liberty
MLB The Show 26
Royal Match
Carnival Tycoon
Roblox
Royal Kingdom
MLB The Show 25
Odin: Valhalla Rising
Grow A Garden
GTA 6
Madden NFL 24
NBA 2K24
Dungeonborne
Skull & Bones
Last Epoch
GTA 5
AFK Journey
Coin Master
Night Crows
MLB The Show 24
Monster Hunter Now
Elder Scrolls Online
Dark Soul 3
Dark and Darker
NBA 2K25
NBA 2K 22
NHL 22
Path of Exile
Lost Ark
FIFA 23
Madden NFL 22
FUT 22
NBA 2K23
CoD: Black Ops 6
FC 26
NHL 23
Brawl Stars
Squad Busters
Madden NFL 25
MapleStory 2
King of Avalon
Madden NFL 23
NBA 2K 21
Madden NFL 19
Riders of Icarus
MapleStory M
World Of Warcraft EU
FUT 21
WOW US
Madden NFL 21
Runescape
College Football 25
FIFA 24
MIR M
College Football 26
Star Citizen
Monopoly Go
FC 27
College Football 27
Wardogs
NBA 2K27
Madden NFL 27
Path of Exile 2
Diablo 4
Elden Ring
Pokemon Go
Steal a Brainrot
ARC Raiders
Borderlands 4
Grow A Garden 2
ARC Raiders
Jack
In Arc Raiders, the battlefield isn’t just filled with other raiders—ARC machines can be far more lethal. Among the many valuable resources in the game, the Sentinel Firing Core is one of the most sought-after. You’ll need it to upgrade your Gunsmith Station and unlock stronger weapons. This step-by-step guide will help you locate, farm, and even purchase Sentinel Firing Cores safely and efficiently.

Sentinel Firing Core
The Sentinel Firing Core is a rare drop from a specific ARC enemy type called the Sentinel. These upgraded turret-like machines are deadly, firing powerful single shots that can drain your shield instantly. You’ll mainly use this item to upgrade your Gunsmith Station to Level 3, but you can also recycle it for valuable crafting materials:

Sentinels don’t appear everywhere. They’re fixed to structures or guard specific points of interest. The two best places to find them include:
Sentinels pack a punch. If you want to survive their sniper-like attacks, keep these strategies in mind:

Besides farming Sentinels directly, you can also find Sentinel Firing Cores through these methods:
| Location | Spawn Type | Drop Chance | Notes |
|---|---|---|---|
| Dam Battlegrounds (Research & Administration) | Sentinel | Medium | Most reliable spawn, easy to access. |
| Blue Gate (Pilgrim’s Peak / Headhouse) | Sentinel | Low | Good secondary option, not guaranteed. |
| Dam Battlegrounds (Swamp Outpost) | Arc Courier Husks | Low–Medium | Chance for extra loot like Fireball Burners. |
Farming the Sentinel Firing Core in Arc Raiders requires patience and strategy. Focus your efforts on Dam Battlegrounds, especially near the Research & Administration building, and supplement with Arc Husks or trusted sellers like BuyMMOG if you need them faster. Mastering this loop will help you upgrade stations efficiently and craft better gear for tougher encounters ahead.




