Prototype Friberg/Kjellman Flapper-Locking Semiauto Rifle
Forgotten Weapons
•
21m
The origins of flap-locking (as used in the G41(W), G43, DShK, DP, and RPD, among others) goes back to a Swedish Lieutenant Friberg in 1870, who patented the system. At that time, however, the fouling endemic to black powder made self-loading firearms effectively impossible and so the concept would have to wait until the invention of smokeless powder to become practical. The first to actually build a rifle or machine gun (he did both) was a man named Kjellman working at the Stockholms Vapenfabrik factory in Sweden, at the turn of the 20th century. The factory was the former Nordenfelt facility, and was trying to expand into small arms manufacture by making this Friberg/Kjellman rifle for international military contracts.
About 50 examples were made in a variety of calibers and configurations, but no contracts were obtained and the rifle never entered mass production. Mechanically, it locks using the flapper system and cycles with a short recoil action. What is particularly unusual about the design is the use of a lever arm to both open and close the bolt without the aid of a recoil spring. This actually works, but feels very counterintuitive to handle by today's standards!
Up Next in Forgotten Weapons
-
Forgotten Weapons Short: Stacking Rod...
I get a lot of questions about the purpose of stacking rods and stacking swivels on rifles - so let's see if we can clear some of them up today.
-
The Model SS41 - A Czech Bullpup Anti...
The SS41 was a bullpup, bolt action antitank rifle manufactured in small numbers by CZ for the SS. contrary to common assumption, the SS were not a part of the standard German military arms procurement system, and were forced to scrounge for their weapons from other sources. Czech factories were ...
-
Sosso 1941 Italian Prototype Pistol
The Model 1941 Sosso is a huge Italian experimental semiauto pistol designed by Giulio Sosso. It uses a short recoil locking mechanism and is chambered for standard 9x19mm Parabellum ammunition, but its more unusual feature is its magazine. Instead of using a traditional spring and follower, the ...