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Bertram 450/400 3 inch Brass
Bertram
$647.90
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Bertram
Bertram 450/400 3 inch Brass
Quick Facts
| Manufacturer | Bertram |
| Cartridge | .450/.400 Nitro Express 3 inch |
| Product | New, unprimed brass cartridge cases |
| Case type | Rimmed, bottleneck |
| Primary role | Classic dangerous-game cartridge for double and single-shot rifles |
| Compatibility status | Historic British cartridge; verify the complete 3-inch chamber designation and rifle regulation |
| Country of manufacture | Australia |
| U.S. distributor | Desert Tech Munitions |
Important: This listing is for new, unprimed brass cartridge cases only. It is not loaded ammunition and contains no primer, powder, or projectile.
Why Choose Bertram .450/.400 Nitro Express 3 inch Brass?
- New-production brass for a rare safari or classic sporting cartridge
- Correctly headstamped for identification and load records
- Manufactured by Bertram in Australia
- Imported and supported in the United States by Desert Tech Munitions
Cartridge History
The .450/.400 3-inch Nitro Express is a British dangerous-game cartridge that became closely associated with W.J. Jeffery and with well-balanced double rifles. It belongs to the family of .450/.400 cartridges, and the 3-inch case designation is essential because other case lengths exist.
Rifles and Platforms
- British double rifles specifically chambered for the 3-inch cartridge
- Single-shot sporting rifles with a verified matching chamber
- Modern bespoke double rifles regulated for the exact cartridge
Compatibility warning: Historic British cartridge; verify the complete 3-inch chamber designation and rifle regulation Similar names, shared parent cases, or matching caliber alone do not establish interchangeability.
Did You Know?
The .450/.400 3-inch is often praised for combining dangerous-game capability with more manageable rifle weight and recoil than the largest Nitro Express cartridges.
Product and Reference Specifications
| Manufacturer | Bertram |
| Condition | New |
| Primed | No |
| Material | Cartridge brass |
| Case type | Rimmed, bottleneck |
| Compatibility note | Historic British cartridge; verify the complete 3-inch chamber designation and rifle regulation |
| Country of manufacture | Australia |
Case Preparation Before Loading
- Inspect every case before use
- Check the mouth, body, primer pocket, and flash hole
- Size, expand, chamfer, deburr, and measure as appropriate
- For proprietary or custom cartridges, use the exact rifle builder's dies, chamber data, and approved loading guidance
Availability & Production
Bertram manufactures many safari and classic sporting cases in scheduled production runs. Desert Tech Munitions maintains U.S. inventory when available and supports qualified dealer and OEM buyers.
Why Buy from Desert Tech Munitions?
- Authorized U.S. Bertram distributor
- U.S. inventory and domestic shipping when available
- Direct working relationship with Bertram
- Dealer and OEM programs for qualified buyers
Frequently Asked Questions
Is this loaded ammunition?
No. This listing is for new, unprimed brass cartridge cases only.
Will it fit a rifle with a similar caliber name?
Not necessarily. Verify the complete chamber designation, bore, dies, and rifle before ordering.
Should new cases be sized before loading?
Inspect every case. Sizing or expanding may be appropriate for the firearm, chamber, projectile, and loading tools.
Classic Safari & Dangerous Game Collection
Select any cartridge below to view its brass, pricing, and availability.
Magazine & Heavy Bolt-Action Cartridges
Nitro Express & Break-Action Cartridges
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