Rifle · Obsolete / Non-standard

.400/375 Belted Nitro Express

.400/375 H&H.400/375 Belted Rimless

Early belted Holland & Holland sporting cartridge — the first cartridge to use a belted rim..

Identity
Introduced
1905
Type
Rifle
Origin
United Kingdom
Manufacturer
Holland & Holland
Standard
Obsolete / Non-standard
Status
Obsolete
Availability
Collector
Dimensions
Bullet ⌀
0.375″
Primer
Large Rifle Magnum
Case type
Belted

Ballistics

Published velocity/energy data isn't available for .400/375 Belted Nitro Express — an obsolete/collector cartridge.

Reloading cost

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.

Connected reference

History

H&H, 1905; the belt gave correct headspacing for a highly tapered case. The entire belted-magnum lineage (incl. .375 H&H) descends from it.

FAQs

What bullet diameter is .400/375 Belted Nitro Express?
.400/375 Belted Nitro Express uses a 0.375″ (9.53 mm) diameter bullet.
Is .400/375 Belted Nitro Express still in production?
.400/375 Belted Nitro Express is obsolete; typical availability is collector.
What is .400/375 Belted Nitro Express used for?
.400/375 Belted Nitro Express is primarily used for hunting.

Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. Spotted an error? Report it →