The AUG | Steel Sentinel is a Industrial Grade rifle skin from The Train 2025 Collection, distributed through the Austin 2025 Train Souvenir Package.

All five wear conditions are obtainable for AUG | Steel Sentinel, with float values spanning 0.00 to 1.00 — Factory New examples sit at the cleanest end of that range, while Battle-Scarred copies show the most visible wear.

A Souvenir version is available, dropped exclusively from cases collected during Major Championship matches and stamped with that tournament's stickers. Active listings for AUG | Steel Sentinel are tracked across 18 marketplaces, with prices spanning $0.02 to $9.33 depending on wear, variant, and seller.