CGS HELIOS DT 5.56 SILENCER CGS-HELIOS556-DT Manufacturer Model Number: CGS-HELIOS556-DT Manufacturer: CGS Group Model: Helios DT Caliber: 223 Rem | 5.56 NATO Type: NFA - Silencer Item Type: NFA Finish: Anodized Black Overall Length: 6.375" Weight: 12.2 oz. Shipping Weight: 3.05 Optic Adjustable Objective: false Optic Reticle Illuminated: false