.44 Special
The .44 Smith & Wesson Special, also commonly known as .44 S&W Special, .44 Special, .44 Spl, .44 Spc, or 10.9×29mmR, is a smokeless powder center fire metallic revolver cartridge developed by Smith & Wesson in 1907 as the standard chambering for their New Century revolver, introduced in 1908.
| .44 Special | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Charter Arms Bulldog with five .44 Special 246 gr LRN cartridges | ||||||||||||
| Type | Revolver | |||||||||||
| Place of origin | United States | |||||||||||
| Production history | ||||||||||||
| Designer | Smith & Wesson | |||||||||||
| Designed | 1907 | |||||||||||
| Manufacturer | Smith & Wesson | |||||||||||
| Produced | 1907–present | |||||||||||
| Specifications | ||||||||||||
| Parent case | .44 Russian | |||||||||||
| Case type | Rimmed, straight | |||||||||||
| Bullet diameter | .429 in (10.9 mm) | |||||||||||
| Neck diameter | .457 in (11.6 mm) | |||||||||||
| Base diameter | .457 in (11.6 mm) | |||||||||||
| Rim diameter | .514 in (13.1 mm) | |||||||||||
| Rim thickness | .060 in (1.5 mm) | |||||||||||
| Case length | 1.16 in (29 mm) | |||||||||||
| Overall length | 1.615 in (41.0 mm) | |||||||||||
| Case capacity | 33.5 gr H2O (2.17 cm3) | |||||||||||
| Rifling twist | 1 in 20 in (510 mm) | |||||||||||
| Primer type | Large pistol | |||||||||||
| Maximum pressure | 15,500 psi (107 MPa) | |||||||||||
| Ballistic performance | ||||||||||||
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| Test barrel length: 4 in (100 mm) (vented) / 6 in (150 mm) Source(s): Federal Cartridge Co. Remington Arms Co. | ||||||||||||
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