OVERVIEW DB TAC 9mm Muzzle Device – 1/2×28 Thread Lightweight and durable muzzle device precision machined from high-quality aircraft-grade aluminum. Designed to provide improved muzzle control while maintaining a compact and low-profile design. SPECIFICATIONS Material: High Quality Aircraft-Grade Aluminum Finish: Black Anodized Length: 1.378″ Outside Diameter: 0.941″ Weight: 0.8 oz