RAZOR556 5.56 SILENCER FDE Manufacturer Model Number: RZRFDE556 Manufacturer: Rugged Suppressors Model: Razor556 Caliber: 223 Rem | 5.56 NATO Type: NFA - Silencer Item Type: NFA Finish: FDE High Temp. Cerakote Overall Length: 6.4" Weight: 13.4 oz. Shipping Weight: 13.4 Feature: Includes M2 Brake (1/2x28) Feature: Includes 5.56 Front Cap Feature: Belt Fed Rated Optic Adjustable Objective: false Optic Reticle Illuminated: false