.44 Henry
Rimfire revolver and rifle cartridge / From Wikipedia, the free encyclopedia
The .44 Henry, also known as the .44 Henry Flat, the .44 Rimfire, the .44 Long Rimfire, and the 11x23mmRF (11x23mm Rimmed) in Europe,[2] is a rimfire rifle and handgun cartridge featuring a .875 in (22.2 mm)-long brass or copper case. The round has a total overall length of 1.345 in (34.2 mm), with a 200 or 216 gr (12.96 or 14.00 g; 0.46 or 0.49 oz) .446 in (11.3 mm)-diameter cast solid-lead heeled bullet. The original propellant load is 26 to 28 gr (1.68 to 1.81 g; 0.06 to 0.06 oz) of black powder. The round has a muzzle velocity of approximately 1,125 ft/s (343 m/s), giving a muzzle energy of 568 foot-pounds (770 joules).
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Quick Facts Type, Place of origin ...
.44 Henry | ||||||||
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Type | Rifle and handgun | |||||||
Place of origin | United States | |||||||
Production history | ||||||||
Designer | New Haven Arms Company | |||||||
Designed | 1860[1] | |||||||
Produced | 1860–1920s/1930s | |||||||
Specifications | ||||||||
Case type | Rimmed, straight | |||||||
Bullet diameter | .446 in (11.3 mm) | |||||||
Neck diameter | .434 in (11.0 mm) | |||||||
Base diameter | .441 in (11.2 mm) | |||||||
Rim diameter | .518 in (13.2 mm) | |||||||
Rim thickness | .062 in (1.6 mm) | |||||||
Case length | .903 in (22.9 mm) | |||||||
Overall length | 1.345 in (34.2 mm) | |||||||
Primer type | Rimfire | |||||||
Maximum pressure (CIP) | 14,500 psi (100 MPa) | |||||||
Ballistic performance | ||||||||
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