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| .22 Extra Long | ||||||||
|---|---|---|---|---|---|---|---|---|
 .22 Long Rifle (left) and .22 Extra Long (right). | ||||||||
| Type | Rifle | |||||||
| Place of origin | United States | |||||||
| Production history | ||||||||
| Produced | 1880–1935 | |||||||
| Specifications | ||||||||
| Case type | Rimmed, straight | |||||||
| Bullet diameter | .223 in (5.7 mm) | |||||||
| Neck diameter | .225 in (5.7 mm) | |||||||
| Base diameter | .225 in (5.7 mm) | |||||||
| Rim diameter | .275 in (7.0 mm) | |||||||
| Rim thickness | .043 in (1.1 mm) | |||||||
| Case length | .750 in (19.1 mm) | |||||||
| Overall length | 1.16 in (29 mm) | |||||||
| Primer type | Rimfire | |||||||
| Maximum pressure (CIP) | 26,000 psi (180 MPa) | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Source(s): Barnes & Amber 1972 | ||||||||
The .22 Extra Long is a .22 in (5.6 mm) American rimfire rifle and handgun cartridge.