OSPREY 9MM 2.0 SILENCER PISTON NOT INCLUDED Manufacturer Model Number: SU5184 Manufacturer: SilencerCo Model: Osprey 9 2.0 Caliber: 9mm Type: NFA - Silencer Item Type: NFA Finish: Hardcoat Anodized Black Overall Length: 6.9" Weight: 8.8 oz. Shipping Weight: 1.05 Feature: Push Button Mounting System Optic Adjustable Objective: false Optic Reticle Illuminated: false