Pistol · Proprietary
.445 SuperMag
Wildey semi-auto hunting cartridge derived from a lengthened .44 Magnum case; the most powerful Wildey chambering, with case pressures approaching .454 Casull territory.
- Caliber
- 0.429″ · 10.897 mm
- Introduced
- 1983
- Case
- Semi-Rimless
- Parent
- .44 Magnum
- Status
- Limited
- Introduced
- 1983
- Type
- Pistol
- Origin
- United States
- Inventor
- Elgin Gates
- Standard
- Proprietary
- Status
- Limited
- Availability
- Rare
- Primer
- Boxer Large Pistol
- Case type
- Semi-Rimless
- Max pressure
- 40,611 psi
- Eff. range
- 200 yd
Ballistics
Velocity only, no drag model: no published ballistic coefficient is on file for .445 SuperMag, 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
- .44 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.
reloading data · approximate| Measure | mm | in | ✓ |
|---|---|---|---|
| Bullet ⌀ | 10.90 | 0.429 | · |
| Neck ⌀ | 11.58 | 0.456 | ~ |
| Shoulder ⌀ | n/a | ||
| Shoulder angle | n/a | ||
| Base ⌀ | 11.61 | 0.457 | · |
| Rim ⌀ | 12.90 | 0.508 | ~ |
| Belt ⌀ | n/a | ||
| Rim thickness | 1.42 | 0.056 | ~ |
| Neck length | n/a | ||
| Case length | 40.89 | 1.610 | · |
| Overall length | 49.91 | 1.965 | ~ |
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. .445 SuperMag 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.
Firearms chambered in .445 SuperMag
5 models in the database chamber .445 SuperMag. Browse all →
Lineage
Connected reference
History
Developed by Wildey Firearms alongside the .475 Wildey Magnum, the .445 SuperMag offers slightly smaller bore with similar case capacity. Like the .475 Wildey, it is chambered exclusively in the Wildey gas-operated semi-automatic hunting pistol and represents the pinnacle of semi-automatic pistol power for handgun hunting of large game.
FAQs
- What bullet diameter is .445 SuperMag?
- .445 SuperMag uses a 0.429″ (10.897 mm) diameter bullet.
- Is .445 SuperMag still in production?
- .445 SuperMag is limited; typical availability is rare.
- What is .445 SuperMag based on?
- .445 SuperMag is derived from the .44 Magnum case.
Sources & provenance
- Manufacturer Starline Brass — 445 Super Mag Brass · bullet ⌀ archived
- Reference Gun Digest Books — Cartridges of the World (Frank C. Barnes) · year, bullet ⌀
- Secondary Gun Mart — Case Histories: .445 Supermag · velocity, grain weights archived
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. See methodology. Spotted an error? Report it →