Pistol · CIP
.450 SCH
.450 SCH is a rimless straight-walled pistol cartridge of Switzerland origin.
- Caliber
- 0.452″ · 11.48 mm
- Introduced
- 2013
- Case
- Rimless
- Parent
- .45 HP
- Primary use
- Self-Defense, Target
- Status
- Active
- Introduced
- 2013
- Type
- Pistol
- Origin
- Switzerland
- Inventor
- RUAG Ammotec (Thun) (approx: maker of record)
- Manufacturer
- RUAG Ammotec (Thun)
- Standard
- CIP
- Status
- Active
- Availability
- Limited
- Case capacity
- 27.3 gr H₂O
- Twist (typical)
- 1:16.0
- Primer
- Large Pistol
- Case type
- Rimless
- Max pressure
- 32,634 psi, CIP transducer
- Eff. range
- 50 yd
- Max range
- 250 yd
- Recoil
- 11.4–14.6 ft·lb
- Subsonic
- Capable
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .450 SCH, 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
- .45 HP
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 · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 11.48 | 0.452 | ✓ |
| Neck ⌀ | 12.04 | 0.474 | |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 12.09 | 0.476 | ✓ |
| Rim ⌀ | 12.11 | 0.477 | ✓ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.27 | 0.050 | ✓ |
| Neck length | n/a | ||
| Case length | 23.81 | 0.937 | ✓ |
| Overall length | 32.39 | 1.275 | ✓ |
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. .450 SCH is highlighted below.
Missing a dimension for .450 SCH? Some case measurements aren't in a published SAAMI/CIP drawing yet. Have a factory or reamer print? Send it → — verified hard-to-find data earns a free Lindcott sticker.
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 2013.
FAQs
- What twist rate does .450 SCH use?
- .450 SCH typically uses a 1:16.0 twist rate.
- What bullet diameter is .450 SCH?
- .450 SCH uses a 0.452″ (11.48 mm) diameter bullet.
- Is .450 SCH still in production?
- .450 SCH is active; typical availability is limited.
- What is .450 SCH used for?
- .450 SCH is primarily used for self-defense, target.
- What is .450 SCH based on?
- .450 SCH is derived from the .45 HP 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 →
