Luth-AR Charging Handle AR-15/ M16 5.56x45mm NATO/ .223 6.75in Length Steel QPQ Black. Specifications for Luth-AR AR-15 .223 Charging Handle: Manufacturer: Luth-AR Color: Black Finish: Melonite QPQ Fabric/Material: Steel Caliber: .223 Remington Gun Make: AR Platform Gun Model: M16 AR-15 Length: 6.75 in Features of Luth-AR AR-15 .223 Charging Handle Alloy Steel Body Aluminum latch plate Melonite QPQ finish Package Contents: Luth-AR AR-15 .223 Charging Handle What firearm models does the manufacturer say Luth-AR AR-15 .223 Charging Handle is compatible with? The manufacturer suggests that Luth-AR AR-15 .223 Charging Handle is compatible with AR-15 M16Luth-AR CH-ST: Charging Handle AR-15/ M16 5.56x45mm NATO/ .223 6.75in Length Steel QPQ Black