6.5×53mmR

6.5×53mmR
Military cartridge
Type	Military rifle cartridge[1]
Place of origin	Austria-Hungary[1]
Service history
In service	1893-1945
Used by	Netherlands[2] Romania[3] Kingdom of Portugal[4]
Wars	Aceh War World War I[3] World War II[2]
Production history
Designed	1892[3]
Specifications
Case type	Rimmed, bottleneck[5]
Bullet diameter	6.65 mm (0.262 in)
Neck diameter	7.55 mm (0.297 in)
Shoulder diameter	10.75 mm (0.423 in)
Base diameter	11.48 mm (0.452 in)
Rim diameter	13.4 mm (0.53 in)
Rim thickness	1.25 mm (0.049 in)
Case length	53 mm (2.1 in)
Ballistic performance
Bullet mass/type Velocity Energy 159 gr (10 g) RN 2,433 ft/s (742 m/s) 2,050 ft·lbf (2,780 J)
Source(s): Rifles and Machine Guns[5] .256 Mannlicher / 6.5x53R Reloading Data[6]

The 6.5×53mmR or .256 Mannlicher is a late 19th-century rimmed centerfire military rifle cartridge similar to other early smokeless powder designs. It was the first of a series of 6.5-millimetre (0.26 in) Mannlicher cartridges^[1] and became the standard Romanian service rifle cartridge from 1893 to 1938,^[3] and the standard Dutch service rifle cartridge from 1895 to 1945.^[2]

Gallery

• 

  Empty Dutch Mannlicher en-bloc clip

• 

  Comparison of .303 British with .256 Mannlicher

See also

• Table of handgun and rifle cartridges

References

1. 1 2 3 "A Mannlicher Introduction". Mannlicher Collectors Association. Retrieved 29 November 2013. 
2. 1 2 3 Reynolds, Dan. "Reissued Rifles of "The East Asia Co-Prosperity Sphere"". Retrieved 29 November 2013. 
3. 1 2 3 4 Reynolds, Dan. "The Rifles of Romania 1878-1948". Carbines for Collectors. Retrieved 29 November 2013. 
4. ↑ Philip Peterson (20 July 2011). Standard Catalog of Military Firearms: The Collector's Price and Reference Guide. Gun Digest Books. p. 283. ISBN 1-4402-1451-4. 
5. 1 2 Johnson, Melvin M., Jr. (1944). Rifles and Machine Guns. New York: William Morrow & Company. p. 384. 
6. ↑ ".256 Mannlicher / 6.5x53R Reloading Data". Load Data. Retrieved 29 November 2013.