BFO Flash Hider Cage Style

Breek Arms

(19 reviews) Write a Review
  • Design: BFO Caged Outside Threaded Flash Hider
  • Internal threads disrupt gas exapnsion resulting in less flash 
  • Outside Thread: 13/16 x 16 TPI
  • Material: 4140 Steel Heat Treated & Nitrided
  • Cone Shape Lockup Provides a Tighter & More Concentric Fit
  • Comes with 1 Crush Washer
  • Overall length: 2-1/8 Inches
  • Weight: 2.4 oz (.223/5.56) 1.9 oz (.30 cal)
  • Made in America

The BFO Caged Flash Hider is machined out of heat treated 4140 then nitrided offering exceptional strength and reliability. The primary function of the BFO diminishes muzzle flash by dispersing and redirecting the escaping gases generated by the fired round, thus minimizing the signature flash produced at the muzzle maintaining your tactical advantage in critical situations. 

The BFO's internal threads is a significant design advantage offering even more flash suppression over standard flash hiders. The reduced flash not only helps maintain a clear sight picture but also reduces the chances of the shooter being temporarily blinded in low-light conditions, ensuring optimal visibility and target acquisition. The BFO also keeps the prongs closed which eliminates the well known "ring", increases strength, and is a more classic flash hider look. It features a sleek, low profile design that integrates seamlessly with your system, maintaining a clean and streamlined appearance.

Caliber & Thread Options:

  • Cal: 223/556; Thread: 1/2x28
  • Cal: .30; Thread: 5/8x24
  • Cal: 9mm; Thread: 1/2x28
  • Cal: 9mm; Thread: 5/8x24

Muzzle Device Ratings & Disclaimers


Breek Arms’ lineup of Outside Threaded Muzzle Devices is an affordable upgrade that gives you the option to run a flash hider or muzzle brake while utilizing our Breek Arms Castle Blast Shield as a forward blast diverter or concussion device. Simply slide the Blast Shield over the outside of the muzzle device and thread the Blast Shield on. This gives the shooter a more pleasant experience when firing especially for shorter platforms that tend to have an overbearing concussion. The added durability of an updated heat treating process increases reliability for higher muzzle pressures. Installation of all Breek Arms muzzle devices is very straightforward and requires basic hand tools. 

See all of our Outside Threaded Muzzle Device designs here!

BFO : Cage Style Flash Hider Outside Threaded 

3FO v2 : 3 Prong Flash Hider Outside Threaded

3FO-S : 3 Prong SHORT Flash Hider Outside Threaded

2BO-S : Single Port SHORT Muzzle Brake Outside Threaded

2BO : Two Port Muzzle Brake Outside Threaded

Castle Blast Shield Outside Threaded Forward Concussion Device

19 Reviews Hide Reviews Show Reviews

  • 5
    BFO Flash Hider Cage Style

    Posted by Scott on May 9th 2024

    Purchased this for a new AR. The fit is perfect, the overall look is fantastic and does a great job of eliminating flash. Very happy with this purchas and will be getting the Castle Blast Shield in the future, great product!

  • 5
    Very Nice

    Posted by Evan on Apr 27th 2024

    This is my second one. I like the compatibility with their blast can.

  • 5
    Great customer service

    Posted by Cdal on Feb 14th 2024

    Bought this flash hider, had an issue with it threading on my barrel (1/2x28) contacted customer service and they helped immediately! Sent me a new flash hider right away! Great customer service!

  • 5
    5.56 fh

    Posted by Mat on Dec 15th 2023

    Nice even machining and works well.

  • 5
    BFO flashider

    Posted by Davie Scott on Oct 9th 2023

    Great product, great price.

  • 4
    Good, but not perfect

    Posted by Drew on Jun 2nd 2023

    I bought this for a pin and weld on my .300BLK, it meets that requirement just fine, however the back of the device isn't counterbored so you have to use the crush washer (or as I did, cut that counterbore in with my lathe). That's the only reason I didn't go 5 stars.

  • 5
    Cage style flash hider

    Posted by Robert on May 30th 2023

    Bought as a combo with the Castle Blast Shield, fits great, looks great, nice workmanship. Another quality Breek Arms item

  • 5
    BFO Flash Hider

    Posted by Tom on May 26th 2023

    Well made quality item, fit perfect. Quick shipping, Will deal with them again.

  • 5
    Flash hider

    Posted by Larry Duckett on May 26th 2023

    The best I've used so far reasonable price fast shipping very good customer Service

  • 5
    3 prong caged flash hider with blast shield , including the RG2-S rigged rail system in 9.7 “

    Posted by Edward Roberts on Apr 10th 2023

    No complaints here ! everything installed great with ease Im running the setup on a 10.5” 556. I can’t speak for everyone’s build. I was very pleased at how the blast shield directed energy down range with minimal fire ball compared to some others I have used . Really love the 9.7 RG2-S rail with the new rail mounting system the machining loos greet with the Odin works slick side upper . Couldn’t be more pleased I will be doing more business in the near future !

  • 5
    Flash hider and blast can

    Posted by Kenneth on Mar 20th 2023

    Great machining. Love the look on 300 blackout. Will be better than the A2 style flash hider and lees conclusion at the ears.

  • 5

    Posted by Sean on Jan 3rd 2023

    Love the combo set. Real sleek and the finish is nice. Will be purchasing one for my ARP.

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