The "SilencerCo Compact Radial Brake" in .223 Remington/5.56 NATO is a muzzle device designed for use with firearms chambered in these calibers. Here's some information about this specific muzzle brake :
Brand: SilencerCo - SilencerCo is a well-known manufacturer of firearm suppressors (silencers) and related firearm accessories.
Type: Radial Brake - A radial brake is a muzzle device designed to help reduce recoil and muzzle rise, enhancing the shooter's ability to stay on target during rapid fire.
Caliber: .223 Remington/5.56 NATO - This brake is designed for use with firearms chambered in .223 Remington and 5.56 NATO, which are common calibers for AR-15 and similar rifles.
Thread Pitch: 1/2x28 - This refers to the thread pitch of the radial brake, which indicates how it attaches to the barrel of the firearm. In this case, it's designed to fit barrels with a 1/2x28 thread pattern.
Compatibility: This radial brake is compatible with SilencerCo thread-over-mount suppressors. Thread-over-mount suppressors are designed to screw directly onto the radial brake, allowing you to quickly attach or detach the suppressor from the firearm.