History
Germany's quest for a semi-automatic infantry rifle resulted in two designs - the G41(M) and G41(W), from Mauser and Walther arms respectively. The Mauser design proved unreliable in combat when introduced in 1941 and at least 12,755 were made. The Walther design fared better in combat but still suffered from reliability problems. In 1943 Walther introduced a new modified gas system with aspects of the G41(W) providing greatly improved performance. It was accepted and entered into service as the Gewehr 43, renamed Karabiner 43 in 1944, with production amounting to just over 400,000 between 1943-1945.
Read more about this topic: Gewehr 43