Sylvan Arms 30C MDFlash Hider Fits Warthog .30 Remington AR 5/8x24 Black Nitride. 30 caliber (threaded 5/8? x 24) and machined from 17-4 stainless steel these devices are engineered for exceptional durability and long-lasting performance. Designed for easy installation they seamlessly integrate with their corresponding suppressors in the expanding Sylvan Arms Suppressor Line. SA30QD is Compatible with both the Warthog .30cal Sylvan Arms Suppressor and the Apache .223 Sylvan Arms Suppressor. Specifications for Sylvan Arms 30C MD Warthog Flash Hider: Manufacturer: Sylvan Arms Color: Black Caliber: .30 Remington AR Finish: Nitride Fabric/Material: 17-4 Stainless Steel Threads per Inch: 5/8x24 Gun Make: AR Platform Gun Model: AR-15 Features of SYLVAN SA30QD 30C MD FITS WARTHOG 17-4 Stainless Steel Heat treated after machining Nitride Black surface treatment Package Contents: SYLVAN SA30QD 30C MD FITS WARTHOG What firearm models does the manufacturer say Sylvan Arms 30C MD Warthog Flash Hider is compatible with? The manufacturer suggests that Sylvan Arms 30C MD Warthog Flash Hider is compatible with AR-15Sylvan Arms 30C MD FITS WARTHOG SA30QD