.35 Winchester Self-Loading

.35 Winchester Self-Loading
From left to right: .35 Winchester Self-Loading,
.351 Winchester Self-Loading, .45 ACP
TypeRifle
Place of originUnited States
Production history
DesignerWinchester Repeating Arms Company
Specifications
Case typeSemi-rimmed, straight
Bullet diameter.351 in (8.9 mm)
Neck diameter.377 in (9.6 mm)
Base diameter.381 in (9.7 mm)
Rim diameter.405 in (10.3 mm)
Rim thickness0.05 in (1.3 mm)
Case length1.154 in (29.3 mm)
Overall length1.65 in (42 mm)
Rifling twist1 in 16
Primer typeSmall rifle
Ballistic performance
Bullet mass/type Velocity Energy
180 gr (12 g) 1,396 ft/s (426 m/s) 779 ft⋅lbf (1,056 J)
Test barrel length: 22

The .35 Winchester Self-Loading (.35SL / .35SLR / .35WSL) or 8.9x29mmSR is an American rifle cartridge.