Sentinels can drop Sentinel Firing Cores, and a November 2025 guide also lists ARC Couriers as a chance-based source. Neither source guarantees a core on a given raid. If you get one, Speranza recycling lists a better materials yield than in-raid salvage, but check your Gunsmith and project requirements before processing it.
Sentinel Firing Core stats
The ARC Raiders Wiki item reference lists these values for the Sentinel Firing Core. They are community-maintained game-reference listings, not developer-confirmed specifications.
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| Attribute | Listed value |
|---|---|
| Rarity | Rare |
| Value | 2,000 coins |
| Weight | 1 kg |
| Stack size | 3 |
| Safe pocket | Fits in a backpack safe pocket |
See the Sentinel Firing Core item reference.
Where Sentinel Firing Cores drop
Sentinels
The item reference lists Sentinels as a source of Sentinel Firing Cores. It does not give a drop percentage or guarantee that a Sentinel will drop one.
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PC Gamer’s guide, published November 10, 2025, names the blue exterior staircase at Research & Development and either end of the destroyed dam between Control Tower and Power Generation Complex as its most consistent Sentinel locations on Dam Battlegrounds. The guide explicitly says these spots are not guaranteed to appear every round, so use them as route suggestions rather than fixed spawn points.
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ARC Couriers
The same guide describes ARC Couriers—large, chest-like ARC containers—as a chance-based alternative. A Courier may contain parts from different ARC machines, including Sentinels; finding one does not guarantee a Sentinel Firing Core.
Read PC Gamer’s November 10, 2025 location guide.
Recycle in Speranza or salvage in a raid?
The community item reference lists two processing options. Speranza recycling yields the same Mechanical Components as in-raid salvage, plus ARC Alloy.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minute| Option | Listed output | Trade-off |
|---|---|---|
| Recycle in Speranza | 2 ARC Alloy + 2 Mechanical Components | More listed materials, but requires returning to Speranza |
| Salvage in raid | 2 Mechanical Components | More convenient during a raid, but no ARC Alloy is listed |
Choose Speranza recycling if you want the additional ARC Alloy. Choose in-raid salvage if you need Mechanical Components and value convenience more than that extra material. These listed yields do not establish which option is better in coin value: the item-specific reference gives no salvage coin value or verified net-value calculation.
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Check the community loot table for the listed processing yields and progression quantities.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Check progression needs before processing a core
The community loot table lists 4 Sentinel Firing Cores for Gunsmith 3 and 2 for the Ascending the Mountain project. Check your current workshop and project requirements before recycling or salvaging; your own remaining needs determine whether keeping a core is worthwhile.
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- Build a fire or shelter, then craft customizable clothing & armors to help protect against damage and extreme temperatures on your way to unlocking advanced technologies and equipment
- Chop down trees and mine metal and other precious resources to build massive multi-leveled structures composed of complex snap-linked parts
The consulted references publish no credible percentage drop rate or per-raid spawn rate for Sentinel Firing Cores. Treat both the named locations and the Courier option as possibilities, not promises.
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