The AAC 90T muzzle brake is a 7.62mm brake designed to reduce recoil and muzzle rise while serving as a quick-attach mount for AAC 51T suppressors.
- Type: Muzzle brake and suppressor mount
- Caliber: 7.62mm (.308)
- Thread Pitch: 5/8×24 TPI
- Compatibility: AAC 51T suppressors
- Material: Heat-treated steel
- Finish: Black
- Includes: Muzzle brake, crush washer
- Use: Recoil reduction and suppressor attachment
