3FO Flash Hider V2 Outside Threaded - .223/5.56, 9mm, .30 Caliber

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The 3FO v2 Flash Hider is machined out of heat treated 4140 then nitrided offering exceptional strength and reliability. The primary function of the 3FO 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 3FO'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. It features a sleek, low profile design that integrates seamlessly with your system, maintaining a clean and streamlined appearance.

  • Internal Threads Disrupt Gas Expansion Resulting in Less Flash
  • Design: 3FO - 3 Prong Outside Threaded Flash Hider
  • 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: 2.12 Inches
  • Weight: 2.4 oz (223/556) 2.0 oz (30 cal)
  • Made in America

Caliber & Thread Options:

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

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 turn 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. Added durability due to an updated heat treating process that increases reliability for higher muzzle pressures. Installation of all Breek Arms muzzle devices are very straightforward and require 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

10 Reviews Hide Reviews Show Reviews

  • 5
    3FO V2

    Posted by Eddie on Nov 21st 2023

    super high quality and works great! better than an A2! and i love that it is AFFORDABLE and US MADE

  • 5
    3FO with blast can

    Posted by Stephen on Sep 25th 2023

    Nice fit and finish. Should work well. Does ring like tuning fork but shouldn’t be an issue.

  • 5
    Great flash hider

    Posted by Jeff on Sep 5th 2023

    Has the nice ting sound and works great for knocking down flash.

  • 5
    Muzzle device

    Posted by Larry D on Aug 28th 2023

    The best that I have found. Works very well and the price was right.

  • 5

    Posted by Eddie on May 13th 2023

    Works great couldn’t ask for anything more!!!

  • 5
    3FO/Hager and 30 caliber looks to be very well-made !!

    Posted by Al estrada on Mar 27th 2023

    This flash hider flash muzzle brake is very well-made was easy to install, came with a crush washer, and I purchased the optional blast shield with it. I actually got two and two. I have not fired the rifle since I installed it, but will probably be doing that soon if you haven’t purchased one, I recommend you keep your eye open, I got a good deal on this last set by one or two !!