Magnum Research BFR

{{Infobox weapon

| name = BFR

| image = BFR 45-70 1.jpg

| image_size = 300

| caption = A BFR chambered in .45–70 Govt. with custom grips

| origin = United States

| type = Revolver

| is_ranged = yes

| designer = Magnum Research

| design_date =

| manufacturer = Magnum Research

| unit_cost = US$1,149[http://www.magnumresearch.com/bfr.asp BFR data] {{webarchive|url=https://web.archive.org/web/20110309193617/http://www.magnumresearch.com/BFR.asp |date=2011-03-09 }} at Magnum Research web site

| production_date =

| number =

| variants =

| spec_label =

| weight = {{convert|3.6|–|5.3|lb|g|abbr=on}}

| length = {{convert|11.75|–|17.5|in|mm}}

| part_length = {{convert|5.5|in|mm}} and {{convert|6.5|in|mm}} (short cylinder only), {{convert|7.5|in|mm}}, or {{convert|10|in|mm}}

| width = {{convert|1.75|in|mm}}

| height = {{convert|6|in|mm}}

| diameter =

| crew =

| cartridge = Various, see Available cartridges

| caliber =

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| action = Single action revolver

| rate =

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| feed = 5-round or 6-round cylinder

| sights =

}}

The Magnum Research BFR is a single-action revolver manufactured by Magnum Research. Modeled after the Ruger Blackhawk, it is constructed of stainless steel and chambered for a number of powerful handgun cartridges, such as .460 S&W Magnum and .500 S&W Magnum; popular rifle chamberings, including .30–30 WCF, .444 Marlin, and .45-70 Government; and even .410 bore shotshells. Notably, the BFR platform has also served as the basis for custom caliber conversions to 19th century big game cartridges such as the .50–110 WCF and .50-90 Sharps, as well as the .500 Bushwhacker, which is currently considered to be the most powerful handgun cartridge in the world in terms of muzzle energy.{{Cite web |last=Hrachya |first=Hayrapetyan |date=2022-10-05 |title=Wheelgun Wednesday: New .500 Bushwhacker Cartridge for BFR Revolvers by TII Armory |url=https://www.thefirearmblog.com/blog/2022/10/05/wheelgun-wednesday-tii-armory-500-bushwhacker-cartridge-bfr-conversion/ |url-status=live |archive-url=https://web.archive.org/web/20221208023520/https://www.thefirearmblog.com/blog/2022/10/05/wheelgun-wednesday-tii-armory-500-bushwhacker-cartridge-bfr-conversion/ |archive-date=2022-12-08 |access-date=2023-07-10 |website=The Firearm Blog}} The name "BFR" originally stood for "Brainerd’s First Revolver", in reference to Brainerd, Minnesota, where the early BFRs were manufactured.{{Cite web |last=Eger |first=Chris |date=2023-09-23 |title=History of the Magnum Research BFR |url=https://www.guns.com/news/2021/09/23/history-of-the-magnum-research-bfr |url-status=live |archive-url=https://web.archive.org/web/20220615004708/https://www.guns.com/news/2021/09/23/history-of-the-magnum-research-bfr |archive-date=2022-06-15 |access-date=2023-07-10 |website=Gun.com}} Officially the acronym now stands for "Biggest, Finest Revolver",{{Cite web |last=Alberts |first=Kristin |date=2022-11-03 |title=Big, Fine, & .45–70: Why the Magnum Research BFR Revolver Succeeds on Safari |url=https://www.guns.com/news/magnum-research-bfr-handgun-45-70-safari-big-game-hunting |url-status=live |archive-url=https://web.archive.org/web/20230606161710/https://www.guns.com/news/magnum-research-bfr-handgun-45-70-safari-big-game-hunting |archive-date=2023-06-06 |access-date=2023-07-10 |website=Guns.com}} though it was rebranded for a time as the "Big Frame Revolver" after Magnum Research's 2010 acquisition by Kahr Arms.{{Cite web |last=American Rifleman Staff |date=2022-06-24 |title=NRA Gun Of The Week: Magnum Research Big Frame Revolver In 350 Legend |url=https://www.americanrifleman.org/content/nra-gun-of-the-week-magnum-research-big-frame-revolver-in-350-legend/ |url-status=live |archive-url=https://web.archive.org/web/20220817042929/https://www.americanrifleman.org/content/nra-gun-of-the-week-magnum-research-big-frame-revolver-in-350-legend/ |archive-date=2022-08-17 |access-date=2023-07-10 |website=American Rifleman}}