IMPULSE 9MM OLS CPT 1/2X28 SIL Manufacturer Model Number: SD-122751-1-US Manufacturer: B&T Model: Impulse OLS Caliber: 9mm Type: NFA - Silencer Item Type: NFA Finish: Black Anodized Overall Length: 5.9" Weight: 7.4 oz. Shipping Weight: 0.6 Feature: Lightweight Construction Feature: Adjustable Point of Impact Optic Adjustable Objective: false Optic Reticle Illuminated: false