What bullet diameter is .333 OKH?

.333 OKH uses a 0.333″ (8.46 mm) diameter bullet.

Is .333 OKH still in production?

.333 OKH is obsolete; typical availability is collector.

What is .333 OKH used for?

.333 OKH is primarily used for hunting.

What is .333 OKH based on?

.333 OKH is derived from the .30-06 Springfield case.

Wildcat · Wildcat

.333 OKH

333 O'Neil-Keith-Hopkins.333 O.K.H.

Influential American .30-06-based medium-bore wildcat associated with Elmer Keith (rimless .333 OKH)..

Identity

Introduced: 1945
Type: Wildcat
Origin: United States
Inventor: Charlie O'Neil, Elmer Keith and Don Hopkins
Standard: Wildcat
Status: Obsolete
Availability: Collector

Dimensions

Bullet ⌀: 0.333″
Primer: Large Rifle
Case type: Rimless

Ballistics

Published velocity/energy data isn't available for .333 OKH — an obsolete/collector cartridge. 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 .333 OKH in the interactive cartridge family tree↗

Connected reference

FirearmsFirearms in .333 OKH↗

History

Charlie O'Neil, Elmer Keith and Don Hopkins, ~1945; conceptual forerunner of the .338 Win Mag / .338-06. Distinct from the belted .334 OKH.

FAQs

What bullet diameter is .333 OKH?: .333 OKH uses a 0.333″ (8.46 mm) diameter bullet.
Is .333 OKH still in production?: .333 OKH is obsolete; typical availability is collector.
What is .333 OKH used for?: .333 OKH is primarily used for hunting.
What is .333 OKH based on?: .333 OKH 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 →