The Karabiner 43 (K43) is a German self-loading automatic rifle produced during World War II. An evolution of the Gewehr 41 (G41) self-loading rifle by Walther, and slightly shorter in barrel length yet otherwise identical to its predecessor the Gewehr 43 (G43) it fires the 7.92 x 57 mm Mauser rifle round, and uses a detachable 10-round magazine. The K43 is a semi-automatic firearm. Issued in limited numbers in 1944 and 1945 to units of the Wehrmacht. Usually used as a specialist's weapon, and for sniping (a scope rail able to fit the standard German telescopic sight such as the ZF4 was machined directly into the receiver (firearms)). Earlier examples show better fit and finish, and later examples can be quite rough, with rough metal casting used for the receiver and the minimum machining needed to make a functioning weapon. Mushroom cloud from the nuclear explosion over Nagasaki rising 18 km (over 11 miles) into the air, August 9, 1945. ... The Gewehr 41 (G 41) was a German World War II semi-automatic rifle design. ... The Gewehr 41 (G 41) was a German World War II semi-automatic rifle design. ... The 7x57 Mauser, also known as the 7 mm Mauser, 7 mm Spanish Mauser, and . ... A semi-automatic firearm automatically loads a round into the chamber after the weapon is fired, but still requires a trigger pull for each round that is fired. ... Wehrmacht listen? was the name of the armed forces of Germany from 1935 to 1945. ... This article is about the military occupation. ... A telescopic sight is a device used to give an accurate point of aim for a firearm. ... In firearms terminology, the receiver is the part of the firearm that houses the operating parts of the gun. ... Casting is a process by which a material is introduced into a mold while it is liquid, allowed to solidify in the shape inside the mold, and then removed producing a fabricated object, part, or casing. ...