This video delves into the history and design of the Walther A115, a rare pre-WWII German semi-automatic rifle. The description highlights its unique sheet metal construction, rotating bolt, and annular gas piston system, noting its similarity to later G41 rifles. It's mentioned that only three prototypes were produced. The example in the video was examined by Aberdeen Proving Ground in 1955 before entering private ownership. The content focuses on historical firearm development and unique engineering aspects.
This video delves into the less common flapper-locking system in firearms design. It traces the patent by Friberg in 1870 and the practical application in the 1907 Kjellman. The system saw extensive use in the Degtyarev series of machine guns (DP, RPD, DShK) and was also featured in German G41 and G43 rifles. The Mauser company briefly utilized it in their early 1905/06 pistol and 1916 rifle. The description highlights the similarity to later roller-locked systems without detailing them.
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