Fostech Havoc Charging Handle AR-15. The Havoc provides improved ergonomics and functionality compared to the factory charging handle. The Ambidextrous design allows charging of the weapon from both the primary and support positions. Specifications for Fostech Havoc AR-15 Charging Handle: Manufacturer: Fostech Finish: Type III Hardcoat Anodized Fabric/Material: 7075-T6 Aluminum Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Features of Fostech Havoc AR-15 Charging Handle Ambidextrous design Package Contents: Fostech Havoc AR-15 Charging Handle What firearm models does the manufacturer say Fostech Havoc AR-15 Charging Handle is compatible with? The manufacturer says that Fostech Havoc AR-15 Charging Handle is compatible with AR-15Fostech 2511-BLK: Havoc Charging Handle AR-15