'Call of Duty: Warzone' Sykov Pistol: Guide to Complete the Challenge and Unlock the Cool Gun "Call of Duty: Warzone" recently dropped a new pistol, the Sykov, in a surprise release. With its devastating power, players can literally kill enemies with one shot. Photo : Nick England/Getty Images "Call of Duty: Warzone" recently dropped a new pistol, the Sykov, in a surprise release. With its devastating power, players can literally kill enemies with one shot. However, getting this pistol requires an in-game challenge that players must complete. Meanwhile, upgrading it will unlock the Akimbo Perk, allowing much damage for the already powerful gun.