BFR, .45/70, Stainless Steel

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BFR Revolver
Long Cylinder, Stainless Steel
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Where to Buy
BFR's are legal for sale in California pursuant to Sec. 12133 of SB15, except for .45LC/410.

Factoids | Precision Center | Production 

MRI's Big Frame Revolver is truly the biggest, finest revolver on the market today. Entirely manufactured in the US and like the legendary Desert Eagle pistol it is designed as a magnum from the ground up. The BFR is all stainless and has a cut rifled barrel that delivers unmatched accuracy with lead or jacketed bullets. The BFR is the most powerful production single action gun made and with 12 calibers and two frame sizes to choose from you can take everything from grouse to grizzly. Choose your chambering and frame size and have your favorite gun dealer locate one of the BFRs for you.


ModelsBFR30/30, BFR30/307BFR444MBFR45LC/410, BFR45LC/4105BFR45/70, BFR45/707BFR450MBFR460SW10, BFR460SW7BFR500SW10, BFR500SW7
Calibers .30/30 Win. .444 Marlin .45 Long Colt/.410 .45/70 Gov't .450 Marlin .460 S&W Magnum .500 S&W Magnum
Barrel 10"; 7.5"; 10"; 7.5"; 5.25"; 10"; 7.5"; 10"; 10"; 7.5"; 10"; 7.5";
Twist Rate 10 16 20 14 14 16 15
Groove Diameter 0.308 0.430 0.451 0.458 0.458 0.451 0.500
OA Length 17.5"; 15"; 15"; 15"; 12.75"; 17.5"; 15"; 17.5"; 17.5"; 15"; 17.5"; 15";
Weight 5.3 lbs 5 lbs 4.8 lbs 4.5 lbs 4.3 lbs 4.7 lbs 4.3 lbs 4.7 lbs 4.7 lbs 4.3 lbs 4.7 lbs 4.5 lbs
Height 6";
Slide Width 1.75";
Trigger Pull 3~4 lbs
Finish Brushed Stainless Steel Construction
Sights Factory Black Fixed Front / Rear Adjustable
Shots 5
• All weights are approximate since scales may vary.
• Barrels are stress-relieved and cut rifled.
• Shipped with rubber grips and scope mount* (Weaver style)
• The .410 shot shell / slug cartridge is not compatible with the .45/70 caliber revolvers. The .45LC/.410 caliber has modified choke and wrench included. The .410 will accept 3"; shotgun shells.

* All BFR's are shipped with MRI scope mount (Weaver style) included in packaging (except for .45LC/.410) and are drilled and tapped for installation with screws supplied. MRI scope mount may be purchased separately for previously owned BFR's sold by MRI before 12/31/03. All previously owned BFR's will need to be tapped and drilled for MRI scope mount to fit, and all Leupold mounts require tapping and drilling in order to fit.
* Specifications subject to change without notice

3 Reviews Hide Reviews Show Reviews

  • 5

    Posted by L. T. Stauffer on Jan 14th 2024

    Bisley grip frame with 10" barrel . Even with 460 grain Grizzly Ammunition loads recoil is manageable . Excellent fit and finish. Outstanding trigger. Very impressive.

  • 5
    BFR .45/70 revolver

    Posted by Joe Armer on Jul 10th 2021

    Well worth the money and it's definitely an eye catcher. Very fun to shoot once I changed the front sight to a fiber optic site.

  • 5
    What a fun Revolver

    Posted by Ronald Peters on Oct 7th 2020

    Absolutely love my BFR 45-70. If my wife would allow it I would let my BFR sleep with me. But it has to stay in ita Magnum Research range case until needed.