The ★ M9 Bayonet | Stained is a Covert knife skin in Counter-Strike 2, available since September 2013 from the CS:GO Weapon Case.

All five wear conditions are obtainable for ★ M9 Bayonet | Stained, 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 StatTrak™ version is available, which tracks confirmed kills made while the skin is equipped and typically commands a premium over the standard finish. Active listings for ★ M9 Bayonet | Stained are tracked across 18 marketplaces, with prices spanning $370.89 to $1,252 depending on wear, variant, and seller.