What bullet diameter is .375-06?

.375-06 uses a 0.375″ (9.53 mm) diameter bullet.

Is .375-06 still in production?

.375-06 is wildcat; typical availability is handload only.

What is .375-06 used for?

.375-06 is primarily used for hunting.

What is .375-06 based on?

.375-06 is derived from the .30-06 Springfield case.

Wildcat · Wildcat

.375-06

.375 Whelen375-06

Large-bore .30-06 wildcat sometimes called the .375 Whelen..

Identity

Introduced: 1951
Type: Wildcat
Origin: United States
Inventor: L.R. "Bob" Wallack (attrib.)
Standard: Wildcat
Status: Wildcat
Availability: Handload Only

Dimensions

Bullet ⌀: 0.375″
Primer: Large Rifle
Case type: Rimless

Ballistics

Published velocity/energy data isn't available for .375-06. Parent case: .30-06 Springfield.

Reloading cost

Estimate your cost per round and how it compares to factory. Inputs are yours — nothing is stored.

Powder $/lbCharge (gr)Bullet $/eaPrimer $/eaBrass reusesBrass $/ea

Cost estimate only — not load data. Charge weight is your input; follow published manuals for safe charges.

Lineage

Immediate parent

.30-06 Springfield

Family TreeOpen .375-06 in the interactive cartridge family tree↗

Connected reference

FirearmsFirearms in .375-06↗

History

Commonly attributed to Bob Wallack ~1951 (disputed; often grouped with the 1920s Whelen wildcat family). Completes the .30-06 tree at its upper bore sizes.

FAQs

What bullet diameter is .375-06?: .375-06 uses a 0.375″ (9.53 mm) diameter bullet.
Is .375-06 still in production?: .375-06 is wildcat; typical availability is handload only.
What is .375-06 used for?: .375-06 is primarily used for hunting.
What is .375-06 based on?: .375-06 is derived from the .30-06 Springfield case.

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