WHISPER TI 7.62MM SILENCER BLK SP-WHISPER762BLK24 Manufacturer Model Number: SP-WHISPER762BLK24 Manufacturer: Wilson Combat Model: Whisper Caliber: 7.65mm Type: NFA - Silencer Item Type: NFA Finish: Black Armor-Tuff Overall Length: 6.3" Weight: 17.8 oz. Shipping Weight: 1.0 Feature: Multi-Caliber Rated Feature: Rapid Thread Muzzle Brake Optic Adjustable Objective: false Optic Reticle Illuminated: false