The Webley MKVI 4″ Barrel CO2 pellet revolver by Sharda gun house The reputable UK military service pistol that saw action for almost a century is the Webley MKVI 4″barrel CO2 pellet revolver, which is the police model. Even if you’re not a huge war enthusiast, you’ll undoubtedly recognize it because it was used in well-known TV series and films in addition to aiding in the victory of conflicts. It also has the features and quality to provide you with hours of fun target shooting and plinking.