The .30-40 Krag (also called .30 U.S., or .30 Army) 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. Since the cartridge it was replacing was the .45-70 Government, the round was considered small-bore at the time. The design selected was ultimately the Krag-Jørgensen, formally adopted as the M1892 Springfield.
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| - The .30-40 Krag (also called .30 U.S., or .30 Army) 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. Since the cartridge it was replacing was the .45-70 Government, the round was considered small-bore at the time. The design selected was ultimately the Krag-Jørgensen, formally adopted as the M1892 Springfield.
- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | .30-40 Krag |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:30-40 Krag cartridges.JPG |- ! style="padding-right: 1em;" | Type | colspan="2" | Rifle |- ! style="padding-right: 1em;" | Place of origin | colspan="2" | Image:Flag of the United States.svg United States |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Service history |- | Production history |- |- |- |- | Specifications |- |- mm ) )
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- 2746(xsd:integer)
- 2898(xsd:integer)
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| - The .30-40 Krag (also called .30 U.S., or .30 Army) 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. Since the cartridge it was replacing was the .45-70 Government, the round was considered small-bore at the time. The design selected was ultimately the Krag-Jørgensen, formally adopted as the M1892 Springfield.
- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | .30-40 Krag |- | colspan="3" style="text-align: center; font-size: 90%; border-bottom: 1px solid #aaa; line-height: 1.25em;" | Image:30-40 Krag cartridges.JPG |- ! style="padding-right: 1em;" | Type | colspan="2" | Rifle |- ! style="padding-right: 1em;" | Place of origin | colspan="2" | Image:Flag of the United States.svg United States |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Service history |- ! style="padding-right: 1em;" | In service | colspan="2" | Army |- ! style="padding-right: 1em;" | Used by | colspan="2" | Image:Flag of the United States.svg United States |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Production history |- |- ! style="padding-right: 1em;" | Designed | colspan="2" | 1892 |- |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Specifications |- |- |- ! style="padding-right: 1em;" | Bullet diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Neck diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Shoulder diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Base diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Rim diameter | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Rim thickness | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Case length | colspan="2" | in (mm ) |- ! style="padding-right: 1em;" | Overall length | colspan="2" | in (mm ) |- |- |- |- |- |- |- |- |- |- ! colspan="3" style="background: lightsteelblue; text-align: center; vertical-align: middle;" | Ballistic performance |- style="text-align: center; font-size: 90%; background: #DEDEDE;" cellspacing="0" cellpadding="0" ! Bullet weight/type ! Velocity ! Energy |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) SP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) HP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) Nos Part||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) SP||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- style="text-align: center; font-size: 90%;" | style="vertical-align:middle; border-bottom: 1px dotted #aaa; " | gr (g) RN||style="border-bottom: 1px dotted #aaa; "| ft/s (m/s) ||style="border-bottom: 1px dotted #aaa; "| ft·lbf (J) |- | colspan="3" style="text-align: center; padding-top: 5px; font-size: 90%;" | Source: Hodgdon |} The .30-40 Krag/.30 Army/.30 Government was a round of ammunition developed in the early 1890s to provide the US armed forces with a new, powerful round to fire from the rifle it was going to select in the 1892 trials. Since the round it was replacing was the .45-70 Government, the round was considered small-bore at the time. The rifle selected was ultimately the Krag-Jørgensen. It was the first round used by the United States Army designed for smokeless powder. The rimmed 30-40 round was also known as .30 Army. The .30-40 Krag was the first smokeless powder round adopted by the U.S. military, but it retained the "caliber-charge" naming system of earlier black powder cartridges, i.e., the .30-40 Krag employs a .30 caliber (7.62 mm) bullet propelled by 40 grains (2.59 g) of smokeless powder. As with the .30-30 Winchester, it is the use of black powder nomenclature that often leads to the incorrect assumption that the .30-40 Krag was once a black powder cartridge. In 1899, the .30-40 was used to shoot the world-record Rocky Mountain elk. The record stood until the latter half of the 20th century.
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