The Sylvan Arms Osprey 556/223 Titanium Suppressor is a highly durable, easy to service and affordable 5.56 Suppressor. Sleek and modern in design, its built of lightweight titanium cone baffles and a durable titanium tube. It gives an average 28 Decibel Reduction for standard velocity ammunition. The suppressor comes with a 17-4 SS QD Flash Hider. The Flash Hider is a 1/2-28 thread, making for quick and easy mounting and dismounting. Designed and Manufactured in the USA This Product Must Be sent to a Class 3 FFL Dealer of your choice for transfer. (transfer fee and tax stamp not included) Features & Benefits Light weight Average 28 Decibel Reduction Includes a 1/2-28 thread QD Flash Hider Quick and Easy mounting and dismounting Designed and Manufactured in the USA Specifications Grade 9 Titanium Tube Grade 5 Titanium Cone Baffles 17-4 SS QD Flash Hider Finish: Matte Black Cerakote Length: 8.2 in. Weight: 11.5 oz. Fit: 1/2-28 thread