255 GS

The .255 GS (Giani Special) was developed c2010 by Vittorio Giani, a gunsmith of M.A.G. Italia di Giani & Co (Manifattura Armi Giani), owned by Vittorio and his brother Marcello Giani. It is based on the 6.5 x 55 Swedish Mauser (SC64) with an improved 70° shoulder...

6 X 51 ATZL

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...

5.6 X 70R KLAUS

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)....

5.6 X 57R RWS

    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...

5.6 X 57 RWS

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.

5.6 X 50 MAGNUM

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...