7.62x51mm

7.62x51mm

Parent case: .308 Winchester(derived from the .300 savage)
Case type: Rimless, Bottleneck
Bullet diameter: 0.308 in (7.82mm)
Neck diameter: 0.345 in (8.8mm)
Shoulder diameter: 0.454 in (11.5mm)
Base diameter: 0.470 in (11.9mm)
Rim diameter: 0.473 in (12.0mm)
Rim thickness: 0.050 in (1.3mm)
Case legnth: 2.015 in (51.2mm)
Overall length2.750 in (69.9mm)
Rifling twist1 in 12 in (30cm)
Primer typeLarge rifle
Maxium perssure(NATO EPVAT)60.191 psi (415.00 MPa)