.375 Ruger
The .375 Ruger (9.5×65.5mm) is a rimless, standard-length rifle cartridge designed for hunting large, dangerous game. It is designed to provide an increase in performance over the .375 H&H cartridge within the context of a standard-length rifle action. The cartridge was designed in partnership by Hornady and Ruger. In 2007, it was released commercially and chambered in the Ruger Hawkeye African and the Ruger Hawkeye Alaskan rifles.
| .375 Ruger (9.5×65.5mm) | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Rifle | |||||||||||||||
| Place of origin | USA | |||||||||||||||
| Production history | ||||||||||||||||
| Designer | Ruger | |||||||||||||||
| Designed | 2007 | |||||||||||||||
| Produced | 2007–present | |||||||||||||||
| Specifications | ||||||||||||||||
| Parent case | Unique | |||||||||||||||
| Case type | Rimless, bottleneck | |||||||||||||||
| Bullet diameter | .375 in (9.5 mm) | |||||||||||||||
| Neck diameter | .405 in (10.3 mm) | |||||||||||||||
| Shoulder diameter | .515 in (13.1 mm) | |||||||||||||||
| Base diameter | .532 in (13.5 mm) | |||||||||||||||
| Rim diameter | .532 in (13.5 mm) | |||||||||||||||
| Rim thickness | .050 in (1.3 mm) | |||||||||||||||
| Case length | 2.580 in (65.5 mm) | |||||||||||||||
| Overall length | 3.340 in (84.8 mm) | |||||||||||||||
| Case capacity | 99.0 gr H2O (6.42 cm3) | |||||||||||||||
| Rifling twist | 1 in 12 in (300 mm) | |||||||||||||||
| Primer type | Large rifle | |||||||||||||||
| Maximum pressure (SAAMI) | 62,000 psi (430 MPa) | |||||||||||||||
| Maximum pressure (CIP) | 62,004 psi (427.50 MPa) | |||||||||||||||
| Ballistic performance | ||||||||||||||||
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| Test barrel length: 24 inches Source(s): | ||||||||||||||||
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