webley mk iv top-break revolver service pistol for the armed forces of the united kingdom, and the british empire and commonwealth

455 action ammo ammunition antique barrel break british bullet caliber cartridge colonial cylinder defense doubleaction empire firearm grip guard gun handgun historical mk muzzle old one projectile revolver selfextracting shoot singleaction steel topbreak trigger two vi vintage war weapon webley wheelgun white wood wooden world ww1 ww2 wwi wwii