QUELL 5.56MM SILENCER BLK SP-QUELL-556BLK28 Manufacturer Model Number: SP-QUELL-556BLK28 Manufacturer: Wilson Combat Model: Quell Caliber: 5.56 x 45mm Type: NFA - Silencer Item Type: NFA Finish: Black Armor-Tuff Overall Length: 6.625" Weight: 15.9 oz. Shipping Weight: 1.0 Feature: Multi-Caliber Rated Feature: Quell K-Mount Muzzle Interface Optic Adjustable Objective: false Optic Reticle Illuminated: false