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6.5 X 52R K&S

This proprietary cartridge was designed by Keller & Simmann GmbH of Schwäbisch Hall, Germany (K&S) and cases were produced for them by SHM. This appears to be based on the old 6.5x52R Tesching (T76) rimmed case (25-35 WCF) base with a c10.6mm head and c12.8mm...

6.5 X 53 MONDRAGON

   The 1907 Mondragon was one of the first semiautomatic rifles formally adopted by a national military. It was designed by Mexican Manuel Mondragon, beginning in 1891. Its development was encouraged by future Mexican President Porfirio Diaz, who was very...

6.5 X 55 KRUPP

Rare DWM cartridge known in only a few, (probably less than ten) specimens. It is a different cartridge than the 6.5 x 55 SE in that is has a slightly larger case diameter as well as a different shoulder. It was listed in the DWM case book as "Kal 6.5mm Fried Krupp"...

6.5 X 55 SE

During March 1889 a Commission was formed by the Norwegian government to ascertain the viability and caliber of a potential future army rifle. This Commission was followed up by another in February 1891 that was formed by the General Command of the Army with the task...

6.5 X 61 DWM

One of the Swedish Experimental cartridges. It was not shown in any sporting catalogues until 1928, which might mean that it started out as a military experimental round. The DWM case number 431L is listed as: Schweden. Kal. 6.5mm Versuch (6.7x61 .o). The small "o" is...

6.5 X 65R SAUER

Relatively scarce, this long tapered 'Express' cartridge is effectively a longer version of the other English 360 based 6.5mm Sauer cartridges, the 6.5x48R (GSP17) and 6.5x58R (GSP18). This is only known to exist with "H.UTENDOERFFER  NÜRNBERG" hs but the only...

6.53 SPITFIRE

Apparently only about 2000 of these cases were manufactured during the late 90’s, but it could not be used because of the fact that “SPITFIRE” was already registered as a trademark. Uncertain how many got into circulation but not a lot.

6.5mm – 06

The 6.5mm-06 A-Square originated as a wildcat, based on the popular .30-06 Springfield.  A-Square standardized the dimensions of the cartridge and submitted them to SAAMI in 1997. Currently produced by Nosler, Quality Cartridge and A-Square. No. 1 produced by OPM...