.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. |
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Type | Rifle | |
Place of origin | USA | |
Production history | ||
Manufacturer | Winchester | |
Produced | 1978 | |
Specifications | ||
Parent case | 38-55 | |
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) | |
Ballistic performance | ||
Bullet weight/type | Velocity | Energy |
200 gr (13 g) JFP | 2,223 ft/s (678 m/s) | 2,194.12 ft·lbf (2,974.83 J) |
200 gr (13 g) JFP | 2,419 ft/s (737 m/s) | 2,598.09 ft·lbf (3,522.54 J) |
220 gr (14 g) JFP | 2,029 ft/s (618 m/s) | 2,010.66 ft·lbf (2,726.09 J) |
220 gr (14 g) JFP | 2,236 ft/s (682 m/s) | 2,441.85 ft·lbf (3,310.70 J) |
Source(s): Hodgdon Online Reloading Data |
The .375 Winchester is a modernized version of the .38-55 Winchester, a black powder cartridge from the 1880s. .375 Winchester was introduced in 1978 along with the Winchester Model 94 “Big Bore” lever action rifle.
Though very similar in appearance to the older .38-55, .375 Winchester operates at much higher pressures (50,000 cup) (also the case of the .38-55 is slightly longer and its bullet diameter .3775 is larger than the .375 Winchester)