Magnum Research BFR

The Magnum Research BFR is a single-action revolver manufactured by Magnum Research. It is made from stainless steel and is manufactured in a variety of heavy calibers, such as .500 S&W Magnum, including some traditional rifle cartridges, such as the .30-30, .45-70, and .450 Marlin. The name "BFR" officially is an acronym for "Big Frame Revolver", although other meanings, such as "Big Finest Revolver", or "Biggest, Finest Revolver," and even in some cases, "Big Fucking Revolver"[2][3] have also been used.[4]

BFR in .45/70 Govt with custom grips
Place of originUnited States
Production history
DesignerMagnum Research
ManufacturerMagnum Research
Unit costUS$1,149 [1]
Mass3.6 lb – 5.3 lb (1633 g – 2404 g)
Length11.75 inches – 17.5 inches (298.45 mm – 444.5 mm)
Barrel length5.5 inches (139.7 mm) and 6.5 inches (165 mm) (short cylinder only), 7.5 inches (191 mm), or 10 inches (254 mm)
Width1.75 inches (44 mm)
Height6 inches (152 mm)

CartridgeVarious see Available cartridges
ActionSingle action revolver
Feed system5-round cylinder

Available cartridges

The BFR comes in two basic models, one with a long cylinder for larger rifle cartridges, and one with a more traditional revolver cylinder length (called "short" by Magnum Research). Some models that use identical bores such as the .45/70 and .450 Marlin can be made with two cylinders for the same gun.[5]

Magnum Research makes these guns in custom calibers and discourages the use of most rimless cartridges in their revolvers due to mechanical issues. The BFR can be customized for the .50 Beowulf cartridge.[6] These revolvers were originally made by DMAX in Springfield, South Dakota, until Magnum Research bought them out.

Long cylinder

Short cylinder

See also


  1. BFR data Archived 2011-03-09 at the Wayback Machine at Magnum Research web site
  2. Barrett, Mike. "Magnum Research BFR Revolvers". Retrieved December 19, 2016.
  3. Prasac, Max (January 12, 2011). "Magnum Research BFR Review". American Hunter. NRA. Retrieved December 19, 2016.
  4. Bodinson, Holt (1999). "Extreme Revolvers". Guns Magazine (3).
  5. Taffin, John (2004). "How Do You Spell Accurate?". American Handgunner Magazine. 30 (3).
  6. Quinn, Jeff (March 12, 2004). "BFR .50 Beowulf Revolver". Gunblast. Retrieved September 8, 2009.
  7. Michel, C.D. "Judging The Judges - Illegal Firearms in California?" (PDF). Item (B)(1). p. 4. Retrieved 30 May 2019.
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