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.375 Winchester | ||||||||||||||||||||
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Photo of two .375 Winchester rifle cartridges with others for comparison. Left to right: 8mm Mauser, .308 Winchester, .375 Winchester, .22 Long Rifle. Foreground: .375 Winchester. | ||||||||||||||||||||
Type | Rifle | |||||||||||||||||||
Place of origin | USA | |||||||||||||||||||
Production history | ||||||||||||||||||||
Designed | 1978 | |||||||||||||||||||
Manufacturer | Winchester | |||||||||||||||||||
Produced | 1978–present | |||||||||||||||||||
Specifications | ||||||||||||||||||||
Parent case | .38-55 Winchester | |||||||||||||||||||
Case type | Rimmed, straight | |||||||||||||||||||
Bullet diameter | .375 in (9.5 mm) | |||||||||||||||||||
Neck diameter | .400 in (10.2 mm) | |||||||||||||||||||
Base diameter | .420 in (10.7 mm) | |||||||||||||||||||
Rim diameter | .506 in (12.9 mm) | |||||||||||||||||||
Rim thickness | .063 in (1.6 mm) | |||||||||||||||||||
Case length | 2.020 in (51.3 mm) | |||||||||||||||||||
Overall length | 2.560 in (65.0 mm) | |||||||||||||||||||
Maximum pressure (CIP) | 55,000 psi (380 MPa) | |||||||||||||||||||
Maximum CUP | 52,000 CUP | |||||||||||||||||||
Ballistic performance | ||||||||||||||||||||
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Source(s): Hodgdon Online Reloading Data |
The .375 Winchester is a modernized version of the .38-55 Winchester, a black powder cartridge from 1884. It was introduced in 1978 along with the Winchester Model 94 “Big Bore” lever action rifle.
Though very similar in appearance to the .38-55 Winchester parent cartridge, the .375 Winchester cartridge has a shorter case length and operates at a higher chamber pressure of 52,000 CUP or 55,000 psi (380 MPa), compared to the .38-55 Winchester cartridge which has a longer case length and operates at a lower chamber pressure of 30,000 CUP or 35,000 psi (240 MPa).
See also
References
External links
Cartridges derived from the .38-55 Winchester or its derivatives (including wildcats) | |||||||
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First generation derivatives | |||||||
Second generation derivatives (based on .30-30) | |||||||
Third generation derivatives |
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Fourth generation derivatives (based on .219 Donaldson Wasp) |
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