9×25mm Super Auto G
The 9×25mm Super Auto G, officially known as the 9 × 25 Super Auto G by C.I.P. and unofficially also known as the 9 × 25 Super Auto Grillmeyer, is an Austrian pistol cartridge.
| 9×25mm Super Auto G | |
|---|---|
| Type | Pistol |
| Place of origin | Austria |
| Production history | |
| Designed | 1991 |
| Specifications | |
| Parent case | 10 mm Auto |
| Case type | Rimless, bottleneck |
| Bullet diameter | 9.03 mm (0.356 in) |
| Land diameter | 8.82 mm (0.347 in) |
| Neck diameter | 9.63 mm (0.379 in) |
| Shoulder diameter | 10.72 mm (0.422 in) |
| Base diameter | 10.80 mm (0.425 in) |
| Rim diameter | 10.85 mm (0.427 in) |
| Rim thickness | 1.40 mm (0.055 in) |
| Case length | 25.35 mm (0.998 in) |
| Overall length | 32.70 mm (1.287 in) |
| Case capacity | 1.60 cm3 (24.7 gr H2O) |
| Rifling twist | 250 mm (1 in 9.84 in) |
| Primer type | Large pistol |
| Maximum pressure | 255.00 MPa (36,985 psi) |
The 10 mm Auto cartridge has functioned as the parent case for the 9×25mm Super Auto G, which is essentially a necked-down version of the 10 mm Auto. The 10 mm Auto cartridge case was used for this since it has the capability to operate with relative high chamber pressures for its case capacity which, combined with smaller and hence lighter bullets result in very high muzzle velocities.
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