Bowie Knife | Gamma Doppler Emerald was added to the game on September 22, 2021, alongside the start of Operation Riptide. The skin is available in the Operation Riptide Case.
The blade is coated with metallic paints and adorned with a pattern of translucent wavy lines resembling smoke. The skin’s color scheme comprises various shades of green creating gradient transitions and resembling the texture of emerald. The guard has been painted dark green. The handle remains unpainted.
The skin's Float Value ranges from 0.00 to 0.08, which makes it only available in Factory New and Minimal Wear conditions. At levels of wear close to the maximum, small abrasions appear along the cutting edge and on the guard.
The pattern index affects the texture overlay. Rare or special variations of the pattern are absent.
The quality of Bowie Knife | Gamma Doppler Emerald is Covert. The skin has a StatTrak option. This is the brightest, rarest, and most expensive phase in the “Bowie Knife | Gamma Doppler” series.
“Doppler Black Pearl” is one of the rarest skins for M9 Bayonet and is highly valued by skin collectors. Due to a high price, M9 Bayonet | Gamma Doppler Black Pearl is rarely seen in the game.