6mm Lee Navy
The 6mm Lee Navy (6×60mmSR), also known as the 6mm U.S.N. or .236 Navy, is an obsolete American rifle cartridge. It was the service cartridge of the United States Navy and Marine Corps from 1895 (therefore replacing the .45-70 Government rifle cartridge) to 1899, when it was then itself replaced by the more modern .30-40 Krag rifle cartridge.
| 6mm Lee Navy | ||||||||||||||||||||
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A soft-point hunting cartridge | ||||||||||||||||||||
| Type | Rifle | |||||||||||||||||||
| Place of origin | United States | |||||||||||||||||||
| Service history | ||||||||||||||||||||
| In service | 1895–1907 | |||||||||||||||||||
| Production history | ||||||||||||||||||||
| Designed | 1894 | |||||||||||||||||||
| Produced | 1895–1935 | |||||||||||||||||||
| Specifications | ||||||||||||||||||||
| Case type | Semi-rimmed, bottleneck | |||||||||||||||||||
| Bullet diameter | .244 in (6.2 mm) | |||||||||||||||||||
| Neck diameter | .278 in (7.1 mm) | |||||||||||||||||||
| Shoulder diameter | .402 in (10.2 mm) | |||||||||||||||||||
| Base diameter | .445 in (11.3 mm) | |||||||||||||||||||
| Rim diameter | .448 in (11.4 mm) | |||||||||||||||||||
| Case length | 2.35 in (60 mm) | |||||||||||||||||||
| Overall length | 3.11 in (79 mm) | |||||||||||||||||||
| Rifling twist | 1 in 7.5 in (190 mm) | |||||||||||||||||||
| Primer type | Boxer large rifle | |||||||||||||||||||
| Ballistic performance | ||||||||||||||||||||
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| Test barrel length: 24 in.; 28 in. (M1895) Source(s): Barnes & Amber; Sharpe, Philip, The Rifle in America | ||||||||||||||||||||
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