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9.3mm Cartridges Continued

By Brian Clark

This is my continuing article on the 9.3mm series of cartridges..

I intend to present a couple of cartridges each month as time and space permits. I hope you find this as interesting as I have.

Brian


9.3 x 45R  D Express


Other Names
9.3 x 45.4R
9.3 x 45R D Express
9.35 x 45.4R
9.35 x 45R D Express
DWM 73

9.3 x 45R D Express
 

inches

mm

Rim Diameter 0.492 12.5
Base Diameter 0.433 11.0
Neck Diameter 0.396 10.1
Case Length 1.787 45.4
Bullet Diameter 0.368 9.3

 

Country of Origin: Germany
Approximate Dates: 1878 to 1925
Designer: Deutsche Waffen und Munitionsfabrik

9.3 x 45R  D Express

Manufacturer: Deutsche Waffen und Munitionsfabrik
Historical Data: The 9.3 x 45R D Express cartridge was probably the first of the series of cartridges based on the 360 BPE 2 1/4 inch cartridge. It seems to have been developed about 1878 by Lorenz and is only found in the 'D' form. Manufacturers include DWM, RWS / H Utendoerffer, and Egestorff.This cartridge is based on the British 360 BPE 2 1/4 inch case.It is one of a series of cases ranging from 36mm to 85mm all based on the 360 case. There are many variations with similar names but are not interchangeable. There are three basic variations to the 360 case. The first is the 'D' type or the 'Deutsche Form'. This was the earliest type found appearing about 1878 and have a slightly wider base. The second variety is the 'E' type or 'English Form' and has a slightly narrow base. The last type is the 'Nimrod' form. The Nimrod form was the last type to be introduced which happened about 1905. The Nimrod form has a narrower rim than the previous two.There is actually a fourth type which is the 'Normalized' form which was introduced in 1925 when the 9.3 x 72R dimensions were standardized. The identification of the cartridges is done by the headstamps which will include D, E, Nimrod or N for Normalized. Of course there are variations and exceptions to this making identification difficult.
Notes and Sources: Sources:

Dixon, W. B., European Sporting Cartridges V1 and V2

 

 


9.3 x 47R MB Target


Other Names
9.3 x 47R Springer
Roth 465

9.3 x 47R MB Target
 

inches

mm

Rim Diameter 0.605 15.4
Base Diameter 0.540 13.7
Neck Diameter 0.391 9.9
Case Length 1.850 1.850
Bullet Diameter 0.366 9.3

 

Country of Origin: Germany
Approximate Dates: 1876 to 1914
Designer: George Roth

9.3 x 47R MB Target

Manufacturer: G. Roth, Egestorff, Uttendoerffer, Keller, Hirtenberger and Stahl
Historical Data: The 9.3 x 47R MB Target was developed in 1890, most likely by G. Roth. It had Roth case numbers of 365 and 465. There were both military style headstamps and case types and commercial case types. They seem to be interchangeable.
The base case type for the 47mm MB types was the 8 x 47R. The 47mm MB case types were made by Roth, Egestorff, Uttendoerffer, Keller, Hirtenberger and Stahl. The case type was made until the 1930's.
Notes and Sources: Sources:

Dixon, W. B., European Sporting Cartridges V1 and V2

 

 

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