Lindcott Armory Wildcat · Wildcat
6mm International
6mm International Match6mm International (Walker Version)
Historically important 6 mm competition wildcat based on the .250 Savage case (Walker version)..
Identity
- Introduced
- 1957
- Type
- Wildcat
- Origin
- United States
- Inventor
- Mike Walker
- Standard
- Wildcat
- Status
- Wildcat
- Availability
- Handload Only
Dimensions
- Bullet ⌀
- 0.243″
- Primer
- Large Rifle
- Case type
- Rimless
Ballistics
Published velocity/energy data isn't available for 6mm International. Parent case: .250 Savage.
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.
Lineage
Immediate parent
Family TreeOpen 6mm International in the interactive cartridge family tree↗Connected reference
History
Late-1950s 300m target wildcat by Remington engineer Mike Walker; tested by the U.S. Army AMU 1957–58. A separate Donaldson version also exists.
FAQs
- What bullet diameter is 6mm International?
- 6mm International uses a 0.243″ (6.17 mm) diameter bullet.
- Is 6mm International still in production?
- 6mm International is wildcat; typical availability is handload only.
- What is 6mm International used for?
- 6mm International is primarily used for competition, target.
- What is 6mm International based on?
- 6mm International is derived from the .250 Savage case.
Data & sources. Specs compiled from the Lindcott Armory reference; the trajectory is modeled (point-mass), not measured. Spotted an error? Report it →