RISE Armament Veil Flash Hider AR-15 .223 Caliber 2.25in 416R Stainless Steel Nitride Black. More importantly it does so without the annoying ringing sound that's typical with a prong-style flash hider. Specifications for RISE Armament Veil AR-15 Flash Hider: Manufacturer: RISE Armament Color: Black Finish: Nitride Fabric/Material: 416R Stainless Steel Gun Make: AR Platform Gun Model: AR-15 Length: 2.25 in Weight: 2 oz Projectile Caliber: .223 Caliber Country of Origin: USA Features of RISE Armament Veil AR-15 Flash Hider Minimizes muzzle flash to counteract the flash's negative effects on the shooter's night vision Proprietary design virtually eliminates the annoying tuning-fork effect that's common with prong-style flash hiders Sleek unobtrusive design Purpose-built for tactical use Package Contents: RISE Armament Veil AR-15 Flash Hider Crush Washer What firearm models does the manufacturer say RISE Armament Veil AR-15 Flash Hider is compatible with? The manufacturer suggests that RISE Armament Veil AR-15 Flash Hider is compatible with AR-15RISE Armament RA-703-223-BLK: Veil Flash Hider AR-15 .223 Caliber 2.25in 416R Stainless Steel Nitride Black