Breek Arms 3FO Outside Threaded Flash Hider - 1/2x28

Breek Arms 3FO Outside Threaded Flash Hider Breek Arms' lineup of Outside Threaded Muzzle Devices is an affordable upgrade that lets you run a flash hider or muzzle brake while using 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. Features Internal Threads Disrupt Gas Expansion, Resulting in Less Flash Design: 3FO-S: 3 Prong Outside Threaded Short Flash Hider Outside Thread: 13/16 x 16 TPI Material: 4140 Prehard Steel Nitrided Cone Shape Lockup Provides a Tighter & More Concentric Fit Comes with 1 Crush Washer Overall length: 1.58 Inches Weight: 2.2 oz (223) 1.9 oz (9mm) Designed & Manufactured in America