During the 1950’s, Gehmann in Germany experimented with the 7x66 SE case, necked down to 6mm. The top version has the stepped shoulder, (see Dixon Vol 1 p.176). The lower version does not have the stepped shoulder. The label reads “6mm Vom Hofe...

The rimmed version of the 6x62 was launched around 1989, a few years after the introduction of the rimless cartridge and was made for double rifles and drillings. (Dixon Ref W66)  

The 6x62 was designed by Gunter Frères around 1984. Blaser made rifles for the 6x62 although there is no reference on their website at the moment that it is still offered. (Dixon Ref W65)    

This was one of the DWM series of 6mm cartridges for Mauser “G” rifles and the 444 series would date from around 1896. From the DWM case book it would seem that this was originally intended as a military cartridge requested from Mauser in 1918. (Dixon Ref. W32)  ...

   Improved version of the original 6x52R Bretschneider with the shoulder moved forward

     Developed as a deer hunting cartridge by Ingolstadt ballistic expert Bernd Bretschneider. It is the 22 Savage (5.6x52R) necked up to 6mm and looks almost the same as the American 25-35 Winchester, which is a 6.5mm bullet....

   Seems to be some in-house SAKO experimental cartridge. Based on the 6.5x52 Carcano case. I cannot find any additional information on this cartridge, there is no mention of it in Dixon either.

The 6x51 Atzl is one of two wildcats which were designed by Andreas Atzl and CIP approved in 1997. The 6x47 Atzl was based on 222 Remington cases produced by Hirtenberger and necked up to 6mm. The 6x51 (aka 6x50) Atzl  was based on lengthened 222 Remington cases...

Relatively rare cartridge probably dating from around 1898 and is also known as the 6MM MOD.90 NEUER ART or New Type of Model 90. There exists an RM-S (RHEINISCHE METALLWAREN UND MASCHINENFABRIK AG) catalog which refers to the 6MM MOD.90 NEUER ART.   

The development of caseless ammunition started a long time ago and various military experiments were done around this concept. The caseless/combustible design idea for sporting cartridges dates from the 1970’s, when the construction company HILTI, was working on a...

In all probability an Utendoerffer design and is similar to the 6x22R Tesching but with a longer neck and might have originated as a cut down 6x29.5R Tesching. (Dixon Ref. T71)   

  At the end of the Franco-Prussian War of 1870, the decision was made that the French population should be better prepared for war. The 11x59R Gras was adopted in 1874, but the weapon was heavy, especially for school boys. Monsieur Andreux, a gunsmith in Paris...

The 6mm Francotte was originally thouht to be a shortened version of the Velo Dog Revolver cartridge but it is a separate cartridge identified from the SFM factory drawing #10150 dated 1912 as being used in a .22 Francotte Carbine Rifle. (Dixon Ref. FR19)   ...

This is the prototype version

   This is the second of the two SAKO factory experimentals produced for “Running Deer” target shooting. Based on the 6.5x55 Swedish case and is known only with this h/s. (SC45)

   Also known as the 5.7x51 Finnish Running Deer Experimental. This was one of two experimental cartridges by SAKO c1958-1960. (SC44). K = Kokovaippa = FMJ

                                                   ...

Relatively scarce Austrian Target cartridge. Only ever produced by Georg Roth (Austria) or Jiri Roth (Czech) from around 1905-06 until about 1910.      

Introduced circa 1890 by MUNITIONS UND WAFFENFABRIKEN, SÖMMERDA (M&W-S), this cartridge continued in production until circa 1920. It was relatively popular and served as a rook, carbine and target pistol cartridge. Unheadstamped versions of the cartridge are...

  Introduced in 1906 by Georg Roth, this cartridge remained in production until 1914. Often confused with the 5.7x33 Dreyse cartridge, but it has a larger case diameter. It is only known to exist with the GR/*/*/*/ headstamp. It was also chambered as a pistol...

The 5.6x70R KLAUS was developed around 2008 - 2009 and is a 5.6mm version of the 6x70R (SC57) which itself was a 6mm version of the 6.5x70R (GSP20). It was produced for (and possibly designed by) Bernhard Klaus of Wiederladen Klaus, Erding, Germany. (Dixon Ref. W116)....

Introduced by Ernest August Vom Hofe in 1934 and remained in mainstream commercial production until about 2000. Cartridges manufactured until 1939 were produced by DWM. Runs of the cartridge have been undertaken by Horneber and Wolgang Romey subsequently. The case was...

Introduced by Ernest August Vom Hofe in 1934 and remained in mainstream commercial production until about 1995. Cartridges manufactured until 1939 were produced by DWM. Runs of the cartridge have been undertaken by Horneber and Wolgang Romey subsequently. The case was...

    These are also cases from Schurk. Introduced by RWS in 1964 but discontinued by them around 2003. It was also adopted by Hirtenberger until around 1998. Based on the 6.5x57R case necked down from the prototype developed by Munich gunsmith, Adam Schurk in...

Introduced by RWS in 1964 and is still in production by them. It was also adopted by Hirtenberger but discontinued by them in 1998. The cartridge is based on the 8x57 M88 case. It was based on the prototype developed by Munich gunsmith, Adam Schurk in the late 1930’s.

                                         ...

This is a rimless version of the 22 Savage cartridge (T75) and was listed as #545A in the DWM casebook. Examples are rare and have only recently (2015) been discovered. It was at first not believed to exist as there is no US rimless version of the 22 Savage listed....

Introduced by DWM (DWM   K Y  5.6x50R MAG) in 1966 and was designed by Günter Frères of IWK/DWM for Friedrick W Heym. The cartridge was generally thought to have been introduced in 1968 even though the DWM “K-Y” date stamp indicates 1966 production. The...

This is the rimless version of the 5.6x50R Magnum developed by Günter Frères in 1970 and it was introduced by DWM in 1971 with cases with the K T date stamp.  It was less popular than the 5.6x50R Magnum upon which it was based and production by DWM ceased in 1972...

   S & B produced this cartridge in small quantities during 1955. Based on the 308 Win case necked down and Used in ZG-47 rifles. In the beginning of the 1960's the Americans brought up their nearly identical .22 – 250 Remington which effectively killed...

   Based on the standard military 7.62x39 Russian M43 case lengthened to 45.5 mm in an endeavour to increase the velocity.  The cartridge has been in existence since 1967 and was designed as a match target cartridge for use by the USSR biathlon...

A 5.6x42R Peterlongo cartridge was shown in a 'Richard Mahrholdt & Sohn - Tiroler Waffenfabrik Peterlongo' pricelist #65 1939 and it resembles a 6.5x41.5R (25-20 Single Shot: T78) necked down to 5.6mm. This cartridge was first described by Heinrich Kohlmann who...

This cartridge, together with a 6.5mm version was introduced by Russian designer M.N. Bljum at the Moscow hunting exhibition of 1957 and is based on the  7.62x38r Nagant revolver cartridge adapted for a light rifle or rifle/shotgun drilling guns. (Dixon SV5)...

The earliest reference to the 5,6 Vierling was in the RWS/Utendoerffer c1900 catalog. It was listed in the section under Winchester cartridges as effectively the same as the 22 WCF. It was intriduced for use in Vierling rifles, a form of European Drilling rifle with...