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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, which was in production from 1978 until 1986.[3]
| .375 Winchester | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Foreground: .375 Winchester. Left to right: 8mm Mauser, .308 Winchester, .375 Winchester, .22 Long Rifle. | ||||||||||||||||||||
| Type | Rifle | |||||||||||||||||||
| Place of origin | United States | |||||||||||||||||||
| 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) | |||||||||||||||||||
| Land diameter | .366 in (9.3 mm)[1] | |||||||||||||||||||
| 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[2] CUP | |||||||||||||||||||
| Ballistic performance | ||||||||||||||||||||
| ||||||||||||||||||||
| Source(s): Hodgdon Online Reloading Data | ||||||||||||||||||||
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).
The most commonly used bullet weights for the .375 Winchester are between 180 gr to 260 gr (11.7 g to 16.9 g) and has been used on a variety of medium to large game species such as whitetail, pronghorn, caribou, elk, moose, black bear, and brown bear.[4]
See also edit
References edit
- ^ "C.I.P. TDCC datasheet 375 Win" (PDF). CIP. Archived from the original (PDF) on 2017-12-05.
- ^ Hoover, J. “Tank.” (2022, January 24). The .375 winchester. GUNS Magazine. https://gunsmagazine.com/our-experts/the-375-winchester/
- ^ "An Official Journal Of The NRA | Remembering The .375 Winchester Cartridge". An Official Journal Of The NRA. Retrieved 2023-12-19.
- ^ ".375 Caliber Cartridges". www.chuckhawks.com. Retrieved 2023-12-19.
External links edit
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