Revolver · CIP
.30-357 AeT
.30-357 AeT is a rimmed bottlenecked revolver cartridge of Italy origin.
- Caliber
- 0.3091″ · 7.85 mm
- Introduced
- 2000
- Case
- Rimmed
- Parent
- .357 Magnum
- Primary use
- Self-Defense, Target
- Status
- Active
- Introduced
- 2000
- Type
- Revolver
- Origin
- Italy
- Inventor
- Nicola Bandini
- Manufacturer
- Nicola Bandini
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 24.9 gr H₂O
- Twist (typical)
- 1:12.0
- Primer
- Large Pistol
- Case type
- Rimmed
- Max pressure
- 43,511 psi, CIP transducer
- Eff. range
- 50 yd
- Max range
- 250 yd
- Recoil
- 5.8–6.4 ft·lb
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .30-357 AeT, so this is the shape gravity alone gives the advertised velocity. Drag would steepen it. The tool below solves real loads through their published G1 or G7 model.
Open in Ballistic Compare- Parent case
- .357 Magnum
Representative trajectory — modeled from a single velocity input (no published BC for this cartridge yet).
Dimensionscase measurements · scale drawing · size vs familiar rounds
Case dimensions — the scale drawing at the top of the page is built from these.
CIP TDCC · verified| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 7.85 | 0.309 | ✓ |
| Neck ⌀ | 8.46 | 0.333 | ✓ |
| Shoulder ⌀ | 9.58 | 0.377 | ✓ |
| Shoulder angle | 16.3° | — | ≈ |
| Base ⌀ | 9.63 | 0.379 | ✓ |
| Rim ⌀ | 11.18 | 0.440 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.52 | 0.060 | ✓ |
| Neck length | 5.87 | 0.231 | ≈ |
| Case length | 32.77 | 1.290 | ✓ |
| Overall length | 47.80 | 1.882 | ✓ |
Size vs familiar rounds
Drawn at true 1:1 — every case is accurate relative to the others. Absolute size depends on your screen's pixel density, so measuring one against a real ruler may be off. .30-357 AeT is highlighted below.
Reloading costestimate cost per round vs factory
Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.
Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.
Lineage
Connected reference
History
Introduced around 2000.
FAQs
- What twist rate does .30-357 AeT use?
- .30-357 AeT typically uses a 1:12.0 twist rate.
- What bullet diameter is .30-357 AeT?
- .30-357 AeT uses a 0.3091″ (7.85 mm) diameter bullet.
- Is .30-357 AeT still in production?
- .30-357 AeT is active; typical availability is limited.
- What is .30-357 AeT used for?
- .30-357 AeT is primarily used for self-defense, target.
- What is .30-357 AeT based on?
- .30-357 AeT is derived from the .357 Magnum case.
Sources & provenance
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →
