The Watchtower Firearms CMB is a flat-faced muzzle device for AR-15 rifles chambered in 5.56. It has a 4.0-inch overall length and a black finish. Distributor data is limited, so confirm thread pitch and intended use before ordering. Sold as a single muzzle device.
- Brand: Watchtower Firearms
- Part number: CMB556FDLC
- Model: CMB
- Caliber: 5.56
- Overall length: 4.0 in
- Face: flat faced
- Color: black
