
Austin Ammo
45 Ammo
Specifications
Case type Rimless, straight Bullet diameter .452 in (11.5 mm)
Neck diameter .473 in (12.0 mm)
Base diameter .476 in (12.1 mm)
Rim diameter .480 in (12.2 mm)
Case length .898 in (22.8 mm)
Overall length 1.260 in (32.0 mm)
Case capacity 25 gr H2O (1.625 cm³)
Rifling twist 1 in 16 in (406 mm)
Primer type Large pistol
Maximum pressure 21,000 psi (140 MPa)