Sentinel Firing Core – Arc Raiders Item Guide & Location

What is the Sentinel Firing Core?

The Sentinel Firing Core is a rare crafting component dropped by ARC Sentinel boss units. It is used in high-tier weapon and gadget blueprints and is one of the most sought-after items in Arc Raiders.

How to Get the Sentinel Firing Core

The Sentinel Firing Core drops exclusively from ARC Sentinel boss enemies:

• Victory Ridge — ARC Sentinel near Central Tower (10-min respawn)
• Dam Battlegrounds — ARC Sentinel variant near the dam
• Frozen Reach — Frost Sentinel at the Observatory

Drop rate: approximately 40% per kill. The Scavenger skill increases this to roughly 55% at max level.

Sentinel Firing Core Uses

Used in these crafting recipes:

• Advanced Weapon Modifications
• EMP Grenade Mk.II
• Experimental Gadgets

Farming Tips

• Victory Ridge Sentinel has the fastest respawn timer
• Use the Longbow to open with a headshot for massive damage
• In squads, farm Sentinels on rotation across zones for maximum cores per hour
• Check the interactive map for exact Sentinel spawn positions

Arc Raiders Sentinel Firing Core Drop Guide

The Arc Raiders Sentinel Firing Core drops from ARC Sentinel bosses at approximately 40% rate. Best farmed at Victory Ridge (10-min respawn). Max Scavenger skill for ~55% drop rate.