Having a flash hider on your AR can help eliminate flash from the end of your muzzle when a round is fired. A .223 Flash Hider will also help with night vision performance. Daytona Tactical has a large selection of other muzzle devices.
Strike Industries Venom .223/5.56 Flash Hider Suppressor
Strike Industries Venom 5.56 Flash Hider
Yankee Hill Machine Phantom AR-15 .223/5.56 Comp Flash Hider Aggressive
Yankee Hill Machine Phantom 5C2 aggressive 556 Flash Hider/Comp