Sigmund Mannlicher was an Austrian firearms designer known for his contributions to military rifles in the late 19th and early 20th centuries. He is best recognized for the Mannlicher M1895, a bolt-action rifle that featured a unique en-bloc clip system, allowing for faster reloading. His designs were influential in the development of modern firearms. Mannlicher's work extended beyond just rifles; he also designed several handguns and contributed to the evolution of semi-automatic and automatic firearms. His innovative approaches to firearm design have left a lasting impact on military and sporting arms, influencing future generations of gun manufacturers.