7.5mm 1882 Ordnance

The Swiss 7.5mm center-fire revolver cartridge, also known as 7.5x23mmR, was used militarily in the 1882 and 1882/1929 revolvers of the Swiss army, as well as in Swiss civilian revolvers of the 'bulldog' type. The case is of brass; the heeled bullet is of a hard lead alloy, fully jacketed and coated externally with a wax lubricant. Originally it was loaded with 0.7 grams (11 gr) of black powder.

7.5mm 1882 Ordnance
Type	Pistol
Place of origin	Belgium
Service history
In service	Switzerland and Sweden
Used by	1882-1903 (Switzerland) 1887-1903 (Sweden)
Production history
Designer	Rudolf Schmidt (Colonel)
Designed	1880
Specifications
Case type	Rimmed, straight
Bullet diameter	8.00 mm (0.315 in) (Swiss), 8.30 mm (0.327 in) (Swedish)
Neck diameter	8.40 mm (0.331 in)
Base diameter	8.40 mm (0.331 in)
Rim diameter	10.40 mm (0.409 in)
Rim thickness	1.50 mm (0.059 in)
Case length	22.80 mm (0.898 in)
Overall length	34.60 mm (1.362 in)
Rifling twist	1 turn in 350 mm (14 in)
Primer type	small pistol
Maximum pressure	185 MPa (26,800 psi)
Ballistic performance
Bullet mass/type Velocity Energy 104 gr (7 g) FMJ 220 m/s (720 ft/s) 166.8 J (123.0 ft⋅lbf)
Test barrel length: 15 cm (5.9 in) Source(s): Ammo Encyclopedia, 2nd Edition, Page 690, Michael Brussard

Very similar revolver cartridges were used in the late 19th century military revolvers adopted by the armies of Belgium, Luxembourg, Sweden, Norway, and Serbia.

References

Portions of this entry were derived from the following specialized French-language magazines:

• Cibles (Fr)
• AMI (B, discontinued in 1988)
• Gazette des armes (Fr)
• Action Guns (Fr)

External links

• https://www.swisswaffen.com/75mm-revolverpatrone-1882/rp82/wxao1k5rteke
• http://i2.photobucket.com/albums/y23/Swissman25/1929/sIMG_3034.jpg
• https://www.swisswaffen.com/model-1929-ordnance-revolver/r29/wueeizndh1lr