Strike Industries Barrel Cover Thread Protector 1/2x28 for Pistol FDE One Size. Strike Industries machined these Muzzle Devices from billet 6061-T6 aluminum for durability that won't weigh down your weapon. The Strike Industries BCTP Barrel Cover Thread Protector for Pistol can be used with a live fire 9mm and is incredibly easy to install. Protect the quality of your pistol even during transportation or storage using the Strike Industries Barrel Cover Thread Protector for Handgun. Specifications for Strike Industries Barrel Cover Thread Protector 1/2x28 for Pistol: Manufacturer: Strike Industries Threads per Inch: 1/2x28 Condition: New Fabric/Material: Billet 6061-T6 Aluminum Quantity: 1 Gun Type: Pistol Features of Strike Industries Barrel Cover Thread Protector 1/2x28 for Pistol Machined from billet 6061T6 Al Can be used with live fire 9mm Faceted design for ease of installation. Package Contents: Strike Industries Barrel Cover Thread Protector 1/2x28 for Pistol 1 x Barrel Cover Thread Protector 1 x O Ring Strike Industries SI-BCTP-PISTOL-FDE: Barrel Cover Thread Protector 1/2x28 for Pistol FDE One Size