USED Fortis Manufacturing Control Shield GEN II Black CS-SSMB-BLK. The Fortis Control Shield was designed and patented to push the noise forward for combative situations or even for simple range use while the top ports keep the muzzle device flat on target. The patent pending quick detach system will be made available for other manufacturer's to use in conjunction with their muzzle devices. So whether you're knocking down doors or shooting at the range let's help save your hearing. So click on the Control and go Specifications for Fortis Manufacturing Control Shield GEN II: Manufacturer: Fortis Manufacturing Gun Model: AR-15 Gun Make: AR Platform Fabric/Material: Stainless Steel Features of Fortis Manufacturing Control Shield GEN II Control Shield 2.0 Mounting System 4140 Steel Nitride coated Package Contents: Fortis Manufacturing Control Shield GEN II What firearm models does the manufacturer say Fortis Manufacturing Control Shield GEN II is compatible with? The manufacturer says that Fortis Manufacturing Control Shield GEN II is compatible with AR-15Fortis Manufacturing CS-SSMB-BLK: Control Shield GEN II Black