Flycatcher's P90 (SMG): Successfully complete the "Flycatcher" mission. It has high damage and mag capacity, punishing recoil, low accuracy.

Rosebud's Zastava M93 (sniper): Defeat the elite sniper in the "Rosebud" mission. It has the highest penetration in class, high damage, tough to control.

Sharp Thunder (pistol): Defeat Walker at the end of the story to unlock his signature Revolver. It is highly stable with a huge kick. It usually is a one-hit kill on most enemies, no matter where you shoot them on their body.

Silver Stake Tactical (assault rifle): Defeat Walker at the end of the story to unlock his signature ASR. It is a tactical variant: integrally suppressed and highly accurate.

Silverback's KSG12 (shotgun): Successfully complete the "Silverback" mission. It has the largest magazine in class at the cost of range and reload speed.