NG556 5.56 QD SILENCER 1/2X28 NG556-QD | QUICK DETACH Manufacturer Model Number: NG556-QD Manufacturer: SIG SAUER Model: NG556 Caliber: 223 Rem | 5.56 NATO Type: NFA - Silencer Item Type: NFA Finish: High Temp Cerakote Overall Length: 7.4" Weight: 19.4 oz. Shipping Weight: 19.4 Feature: Clutch Lock Mounting System Feature: Flash Reducing End Cap Feature: Monolithic Core (Inconel) Optic Adjustable Objective: false Optic Reticle Illuminated: false