Manufacturer Model Number: ACC-WHISTLETIP-XL Manufacturer: Q Model: Whistle Tip XL Type: Accessory-Muzzle Brakes Item Type: Accessory Finish: Black Overall Length: 1.85" Weight: 2.7 oz. Shipping Weight: 0.25 Feature: Blast Mitigation Device (BMD) Feature: Use w/Cherry Bomb Muzzle Brake Feature: For 8.6 Blackout Muzzle Brakes Optic Adjustable Objective: false Optic Reticle Illuminated: false