.480 Ruger
The .480 Ruger (12.1×33mmR) is a large, high-power revolver cartridge, introduced in 2003 by Ruger and Hornady. It was the first new cartridge introduced by Ruger, and when introduced, was the largest-diameter production revolver cartridge, at .475 in (12.1 mm).
| .480 Ruger | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Handgun | |||||||||||
| Place of origin | United States | |||||||||||
| Production history | ||||||||||||
| Designer | Hornady / Sturm, Ruger | |||||||||||
| Designed | 2003 | |||||||||||
| Produced | 2003–present | |||||||||||
| Specifications | ||||||||||||
| Parent case | .475 Linebaugh | |||||||||||
| Case type | Semi-rimmed, straight | |||||||||||
| Bullet diameter | .476 in (12.1 mm) | |||||||||||
| Land diameter | .465 in (11.8 mm) | |||||||||||
| Neck diameter | .504 in (12.8 mm) | |||||||||||
| Base diameter | .504 in (12.8 mm) | |||||||||||
| Rim diameter | .540 in (13.7 mm) | |||||||||||
| Rim thickness | .065 in (1.7 mm) | |||||||||||
| Case length | 1.285 in (32.6 mm) | |||||||||||
| Overall length | 1.650 in (41.9 mm) | |||||||||||
| Primer type | Large pistol | |||||||||||
| Maximum pressure | 48,000 psi (330 MPa) | |||||||||||
| Ballistic performance | ||||||||||||
| ||||||||||||
| Test barrel length: 7.5" Source(s): Buffalo Bore "Cartridges of the World" | ||||||||||||
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