Aero Precision .30 A2 Flash Hider Anodized Black. 30 Caliber. Specifications for Aero Precision .30 A2 Flash Hider: Manufacturer: Aero Precision Color: Black Gun Model: M5 Weight: 1.92 oz Condition: New Country of Origin: USA Package Contents: Aero Precision .30 A2 Flash Hider What firearm models does the manufacturer say Aero Precision .30 A2 Flash Hider is compatible with? The manufacturer suggests that Aero Precision .30 A2 Flash Hider is compatible with M5Aero Precision APRH100073C: .30 A2 Flash Hider Anodized Black