.460 Rowland
The .460 Rowland / 11.43×24mm is a rimless, straight walled handgun cartridge designed in 1997 by Johnny Rowland and developed in conjunction with Clark Custom Guns as a derivative of the .45 ACP with the goal of producing a cartridge which can achieve true .44 Magnum ballistic performance and be fired from a semi-automatic platform. Despite its name, the Rowland is a true .45 caliber cartridge, like its parent.
| .460 Rowland | |
|---|---|
| Production history | |
| Designer | Johnny Rowland |
| Designed | 1997 |
| Manufacturer | .460 Rowland LLC |
| Produced | 1997-present |
| Specifications | |
| Case type | Rimless, straight |
| Land diameter | .442 in (11.2 mm) |
| Neck diameter | .473 in (12.0 mm) |
| Base diameter | .476 in (12.1 mm) |
| Rim diameter | .480 in (12.2 mm) |
| Rim thickness | .049 in (1.2 mm) |
| Case length | .957in (24.3 mm) |
| Overall length | 1.275 in (32.4 mm) |
| Maximum pressure | 40,000 psi |
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