Master Muzzle Device: NEW Black Rain Ordnance BRO MFR

Adam Scepaniak
by Adam Scepaniak

When it comes to AR-15 rifles, an often overlooked, but pivotal component to any solid build is an effective muzzle device. Whether you need something to allow for the quick attachment of a silencer, a muzzle device to mitigate recoil or something to curb the flash or dust signature while shooting prone, there are pieces out on the market for everyone. One of the newest ones hitting the market is the BRO MFR ( Black Rain Ordnance Muzzle Flash Regulator) with a Master Key.

This is a new variant of an existing product from Black Rain and is billed as being lighter than its predecessor. The specifications for the BRO MFR can be read below:

  • Weight: 9.2 Ounces
  • Overall Length: 3.5″
  • Outside Diameter: 1.375″
  • Caliber: 5.56mm NATO
  • Thread Pitch: ½” x 28 T.P.I. (Thread per Inch)
  • MSRP: $149.99

Black Rain Ordnance provides a short overview of their own on the BRO MFR on their website:

Just like the traditional Black Rain Ordnance MFR, this Muzzle Flash Regulator is great for pistols and short barrel builds. The Master Key model has Indexing V-slots and a much more aggressive profile than our traditional MFR.

The traditional Black Rain Ordnance MFR is available in both 5.56 and .308 caliber while this newer iteration with a Master Key is presently available in only 5.56 caliber. For what it is worth, this newer variation also shaves off 0.6 ounces in overall weight if you are creating an ultra light AR-15 build. The outside diameter remains the same from the original (1.375”), but the overall length has increased by 0.2” which is surprising with the previously noted weight reduction.

The MSRP once again for this muzzle device is currently benchmarked at $149.99 and is available on Black Rain Ordnance’s website.

For our readers who fancy themselves aficionados of flash regulators, would this be a piece you would christen your rifle with? Let us know in the comments below!

Adam Scepaniak
Adam Scepaniak

Editor | AllOutdoor.comWriter | OutdoorHub.comWriter | TheArmoryLife.comWriter | Tyrant CNCWriter | MDT Chassis SystemsSmith & Wesson Certified ArmorerGlock Certified ArmorerFirefighter/EMSCity CouncilmanInstagram: strength_in_arms

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  • Old Tofu Old Tofu on Jun 11, 2018

    $150 for something that doesn't work any better than a standard a2 birdcage . . . no.

  • Threethreeight Threethreeight on Jun 11, 2018

    This is embarrassing. For 150 bucks i better be getting wire EDM titanium and some actual function.

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