AB Suppressor Raptor Flush Mount 1/2x28 TPI 1.625in Diameter Titanium Silver. Available in 1/2 x 28 5/8 x 24. Fits the AB Suppressor Raptor Series and CZ-USA Ti Reflex. Specifications for AB Suppressor Raptor Flush Mount: Manufacturer: AB Suppressor Color: Silver Fabric/Material: 6AL-4V Titanium Threads per Inch: 1/2x28 Weight: 0.6 oz Package Contents: AB Suppressor Raptor Flush Mount AB Suppressor F22-FM-1/2-28: Raptor Flush Mount 1/2x28 TPI 1.625in Diameter Titanium Silver