.500 Maximum
The.500 Maximum, also known as the.500 Linebaugh Maximum and.500 Linebaugh Long, is a revolver cartridge developed by John Linebaugh. Only a small number of custom made 5-round single-action revolvers, such as the BMF.500 Maximum manufactured by Gary Reeder Custom Guns, the Ruger Bowen.500 Maximum manufactured by Bowen Classic Arms Corporation and revolvers manufactured by John Linebaugh or Jack Huntington, are being chambered for this round, with a barrel length of up to 6.5" with no muzzle brake or ports.
Also recorded as .500 Linebaugh Maximum · .500 Linebaugh Long
.500 Maximum
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- Name
- .500 Maximum
- Field
- revolver cartridge
- Region
- United States
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Documentary connections
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Documentary evidence
Documentary basis
Authority files
wikidata · Q4545388 · wikipedia · .500 Maximum
In this article
Key facts
Key facts
• Name —.500 Maximum • Origin — United States • Type — Revolver cartridge • Designer — John Linebaugh • Bullet —.512 • Rim Dia —.600 • Case Length — 1.610 • Bw1 — 400 • Btype1 — JSP • Vel1 — 1407 • En1 — 1,757 ft-lbs (2393 J) • Bw2 — 407 • Btype2 — LBT 420 gr (27 g) LBT • Vel2 — 1,512 ft/s (461 m/s) 1,508 ft/s (460 m/s) • En2 — 2,066 ft-lbs (2801 J) 2,120 ft-lbs (2875 J) • Bw3 — 425 • Btype3 — LSWC 435 gr (28.2 g) LBT • Vel3 — 1,553 ft/s (473 m/s) 1,467 ft/s (447 m/s) • En3 — 2,276 ft-lbs (3085 J) 2,078 ft-lbs (2817 J) • Bw4 — 440 • Btype4 — 450 gr (29.2 g) JSP • Vel4 — 1,550 ft/s (470 m/s) 1,383 ft/s (422 m/s) • En4 — 2,347 ft-lbs (3182 J) 1,911 ft-lbs (2591 J) • Bw5 — 515 • Btype5 — 580 gr (38 g) LBT-LFN • Vel5 — 1,388 ft/s (423 m/s) 1,202 ft/s (366 m/s) • En5 — 2,203 ft-lbs (2987 J) 1,860 ft-lbs (2522 J) • Test Barrel Length — 5" • Balsrc — Tafin Tests, Tafin Tests • Illustration — Jack Huntington.500 Maximum
Definition
Definition
Institutional cataloguing adds that.500 Maximum is associated with United States. The register further records that.500 Maximum is classified as a revolver cartridge.
Places
Named by the record
Places
Only places the record itself states, plotted where the house gazetteer settles their coordinates. Nothing is inferred from a name or a nationality.
- United States
Catalogued output
Recorded examples
The following works and productions are recorded by name or by count.
Primary material
Documents and archives
reference work
- “.500 Maximum”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
authority record
- Wikidata, structured authority record Q4545388:.500 Maximum
General reference · Wikidata
Text attribution
Licensing
Text attribution
Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article .500 Maximum, revision 1341098993 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
Notes from the source article
Cited by Wikipedia
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References
Citations
References
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reference work
Secondary witnessauthority record
General reference
The Encyclopedia exists whether or not anything is for sale. Corrections are recorded rather than overwritten, and every version of this record is kept. Published 17 August 2026.
Elsewhere in Militaria
6,095 published records in this field, each with its sources named.
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