Angstadt Arms 3-Lug Blast Can Muzzle Device 9mm Black. The Blastwave 3-lug blast shield works with any 9mm 3-lug attachment and allows for quick detachment when using a sound suppressor Specifications for Angstadt Arms 3-Lug Blast Can Muzzle Device: Manufacturer: Angstadt Arms Caliber: 9mm Luger Length: 2.5 in Weight: 6.5 oz Fit: any 9mm 3-lug attachment Condition: New Color: Black Last Chance: Yes Diameter: 1.33 in Gun Make: AR Platform Fabric/Material: Hardened Steel Gun Type: Rifle Package Contents: Angstadt Arms 3-Lug Blast Can Muzzle Device Angstadt Arms AA093LBC01: 3-Lug Blast Can Muzzle Device 9mm Black