20" Liberator Share Tweet Share Barrel | COD Black Ops Cold War Attachments Attachment TypeBarrel 20" Liberator Stats - Pros and Cons: Bullet Velocity 100 m/s Aim Walking Movement Speed -20 mph Weapon Blueprints That Equip 20" Liberator: Long Winter 10.3" Liberator 16.5" Spetsnaz RPK Barrel