.500 Black Powder Express

.500 Black Powder Express
TypeRifle
Place of originUnited Kingdom
Production history
Designed1860s
Specifications
Case typeRimmed, straight
Bullet diameter.510 in (13.0 mm)
Neck diameter.535 in (13.6 mm)
Base diameter.580 in (14.7 mm)
Rim diameter.660 in (16.8 mm)
Rim thickness.055 in (1.4 mm)
Case length3.01 in (76 mm)
Overall length3.39 in (86 mm)
Primer typeKynoch # 31A
Ballistic performance
Bullet mass/type Velocity Energy
440 gr (29 g) 1,900 ft/s (580 m/s) 3,530 ft⋅lbf (4,790 J)
Test barrel length: 28
Source(s): Barnes & Amber and Kynoch

The .500 Black Powder Express was a series of Black powder cases of varying lengths that emerged in the 1860s.

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