Attributes:
- CALIBER/GAUGE: 223 Rem / 5.56 NATO
- DESCRIPTION: SFMB-556-1/2-28
- FAMILY: SOCOM Series Sound Silencer
- MANUFACTURER: SureFire
- MANUFACTURER MODEL NUMBER: SFMB-556-1/2-28
- MODEL: Muzzle Brake/Silencer Adapter
- OVERALL LENGTH: 2.7"
- UPC: 084871319256