.440 Cor-Bon
The .440 Cor-Bon is a large-caliber handgun cartridge, first produced by Cor-Bon in 1998. Although it looks similar to a .357 SIG, this cartridge was designed after being necked down from an existing cartridge, the .50 AE to accept a .44-caliber (.429 in) (10.89 mm) bullet. This is fairly typical in the wildcat cartridge industry.
| .440 Cor-Bon | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
.50 AE, .440 Cor-Bon and .44 Magnum | ||||||||||||||||
| Type | Pistol and rifle | |||||||||||||||
| Place of origin | United States | |||||||||||||||
| Production history | ||||||||||||||||
| Designed | 1997 | |||||||||||||||
| Manufacturer | Cor-Bon | |||||||||||||||
| Produced | 1998–present | |||||||||||||||
| Specifications | ||||||||||||||||
| Parent case | .50 AE | |||||||||||||||
| Case type | Rebated, bottleneck | |||||||||||||||
| Bullet diameter | .429 in (10.9 mm) | |||||||||||||||
| Neck diameter | .461 in (11.7 mm) | |||||||||||||||
| Shoulder diameter | .529 in (13.4 mm) | |||||||||||||||
| Base diameter | .538 in (13.7 mm) | |||||||||||||||
| Rim diameter | .510 in (13.0 mm) | |||||||||||||||
| Rim thickness | 0.055 in (1.4 mm) | |||||||||||||||
| Case length | 1.280 in (32.5 mm) | |||||||||||||||
| Overall length | 1.590 in (40.4 mm) | |||||||||||||||
| Case capacity | 50.5 gr H2O (3.27 cm3) | |||||||||||||||
| Rifling twist | 1 in 18 | |||||||||||||||
| Primer type | 0.210 | |||||||||||||||
| Maximum pressure (SAAMI) | 36,000 (250 MPa) | |||||||||||||||
| Ballistic performance | ||||||||||||||||
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