ABYSS 5.56MM SILENCER 13549 Manufacturer Model Number: 13549 Manufacturer: Gemtech Model: ABYSS Caliber: 223 Rem | 5.56 NATO Type: NFA - Silencer Item Type: NFA Finish: Black Cerakote Overall Length: 6.1" Weight: 14.5 oz. Shipping Weight: 1.0 Feature: Full Auto Rated Feature: GM-S1 End Cap Design Feature: Elite Taper Mount Optic Adjustable Objective: false Optic Reticle Illuminated: false