.30-40 Krag

.30-40 Krag

Description

The .30-40 Krag was a cartridge developed in the early 1890s to provide the U.S. armed forces with a smokeless powder cartridge suited for use with modern small-bore repeating rifles to be selected in the 1892 small arm trials. Wikipedia
 
Bullet diameter.308 in (7.8 mm)
Case length2.314 in (58.8 mm)
Case capacity58.0 gr H2O (3.76 cm3)
Rim diameter.545 in (13.8 mm)
Base diameter.457 in (11.6 mm)
Neck diameter.338 in (8.6 mm)
Shoulder diameter.423 in (10.7 mm)