Rifle · SAAMI

.338 Marlin Express

338 Marlin Express

High-performance semi-rimmed lever-action cartridge jointly developed by Hornady and Marlin..

Identity
Introduced
2009
Type
Rifle
Origin
United States
Inventor
Hornady and Marlin
Manufacturer
Hornady / Marlin
Standard
SAAMI
Status
Discontinued
Availability
Limited
Dimensions
Bullet ⌀
0.338″
Primer
Large Rifle
Case type
Semi-Rimmed
Performance
Max pressure
46,000 psi

Ballistics

Published velocity/energy data isn't available for .338 Marlin Express — an obsolete/collector cartridge. Parent case: .376 Steyr.

Suitable powders

1 reloading powder listed for .338 Marlin Express, fastest to slowest. Cross-reference in the finder →

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.

Firearms chambered in .338 Marlin Express

1 model in the database chamber .338 Marlin Express. Browse all →

Marlin Model 1895 338 Marlin Express 22-inch

Lineage

Immediate parent
Family TreeOpen .338 Marlin Express in the interactive cartridge family tree

Connected reference

History

Introduced 2009 for the Marlin 338MX/338MXLR; factory support limited after those rifles left production.

FAQs

What bullet diameter is .338 Marlin Express?
.338 Marlin Express uses a 0.338″ (8.59 mm) diameter bullet.
Is .338 Marlin Express still in production?
.338 Marlin Express is discontinued; typical availability is limited.
What is .338 Marlin Express used for?
.338 Marlin Express is primarily used for hunting.
What is .338 Marlin Express based on?
.338 Marlin Express is derived from the .376 Steyr case.
What are the best powders for .338 Marlin Express?
Reloading powders commonly listed for .338 Marlin Express include Leverevolution.

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