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7.92 X 81B MG131/8

This was an unsuccessful high velocity experimental cartridge by Rheinmetall-Borsig designed for aircraft machine guns. It appears to have been a parallel development with the 13mm machine gun. At that time during WW2, the Germans were on the defensive and were taking...

7.92 X 24 VBR-PDW

From a note in the IAA Journal 466:25 (March/April 2009). The VBR-B 7.92x24mm caliber was first developed in Belgium by Rik Van Bruaene on 14 April 2005 as a new defence cartridge for a PDW (Personal Defensive Weapon) with the first official pressure measurements and...

7.65 X 54 MAUSER

On the page describing the history and development of the 6.5 X 52 Carcano and other 6.5mm’s, one name surfaces throughout the late 1880’s onwards in practically all facets of military rifle and cartridge research, development and manufacturing and that is the name of...

7.65 X 53.7 MARGA

Developed by Uldarique Marga, who was an official in the Belgian Infantry. He was granted patents during 1899-1902 for an M.88 rifle loosely based on the Dutch Beaumont system. The rifle also had a sliding safety catch at the back of the bolt (not unlike modern...

7.65 X 35 FURRER

This was a “Pistolengewehr” development dating from around 1921 by Swiss engineer Adolf Furrer, who was the director of Waffenfabrik Bern. The Pistolengewehr was a toggle-action short-recoil operated weapon with a side-mounted 30 round magazine with a wooden stock. It...

7.62 X 37 H & K

This was developed at Radway Green at the request of Heckler & Koch, who were developing a rifle for silenced combat. They had previously studied the .300 Whisper cartridge but decided to develop their own as well, by shortening and necking-up the 5.56x45 case....