Rook Muzzle Brake for 5.56 (1/2 x 28TPI) – Unique-ARs

Unique ARs Products - OffHand Gear

SLR Rifleworks SR22 Single Port Muzzle Brake (5.56/.223)

Unique-Grip – Unique-ARs

Unique ARs Products - OffHand Gear

Unique ARs Products - OffHand Gear

Fortis RED Muzzle Brake 5.56MM Mod 2

Accessories – Unique-ARs

Parts & Accessories - Muzzle Brakes & Flash Hiders - 1/2-28 TPI

5.56 Muzzle Brake 1/2x28-AD-UP600102

AR-15/.223/5.56 Thread Recoil Compensator - OutdoorSportsUSA

308 3n1 Hybrid Flash / Muzzle Brake / Solvent Trap Adapter - Mid State Firearms

AR-15/.223/5.56-saber-tooth-muzzle-brake-flash-hider

POTD: Don't Cover Up Your Muzzle Brakes, They Like To Be Free -The Firearm Blog

Q-Comp: Wilson Combat's Hybrid AR-15 Muzzle Compensator - Athlon Outdoors