.351 Winchester Self-Loading
| .351 Winchester Self-Loading | ||||||||
|---|---|---|---|---|---|---|---|---|
From left to right: .35 Winchester Self-Loading, .351 Winchester Self-Loading, .45 ACP | ||||||||
| Type | Rifle | |||||||
| Place of origin | United States | |||||||
| Service history | ||||||||
| Used by | France United Kingdom Russia United States | |||||||
| Wars | World War I | |||||||
| Production history | ||||||||
| Designer | Winchester Repeating Arms Company | |||||||
| Designed | 1906 | |||||||
| Specifications | ||||||||
| Case type | Semi-rimmed, straight | |||||||
| Bullet diameter | 0.352 in (8.9 mm) | |||||||
| Neck diameter | 0.373 in (9.5 mm) | |||||||
| Shoulder diameter | 0.377 in (9.6 mm) | |||||||
| Base diameter | 0.380 in (9.7 mm) | |||||||
| Rim diameter | 0.407 in (10.3 mm) | |||||||
| Rim thickness | 0.05 in (1.3 mm) | |||||||
| Case length | 1.375 in (34.9 mm) | |||||||
| Overall length | 1.906 in (48.4 mm) | |||||||
| Rifling twist | 1 in 16 | |||||||
| Primer type | Small rifle | |||||||
| Maximum pressure | 39,000 psi (270 MPa) | |||||||
| Maximum CUP | 45,000 CUP | |||||||
| Ballistic performance | ||||||||
| ||||||||
| Test barrel length: 20 in. Source(s): Whelen, Townsend. The American Rifle. Century Co. 1918. p. 266. | ||||||||
The .351 Winchester Self-Loading (.351 SL /.351 WSL) or 8.9x34mmSR is an American rifle cartridge designed in 1906.