LANTAC LATCH Charging Handle AR-15 Ambidextrous Black. The main handle has gas mitigation built in to combat flow to the rear of the receiver which is especially useful in over gassed situations or when using back pressure suppressors. The rear registration area has been thickened to assist in obstruction of any escaping gas into the shooters face. Specifications for LANTAC LATCH Charging Handle: Manufacturer: LANTAC Color: Black Finish: Type III Hardcoat Anodized Fabric/Material: 7075-T6 Aluminum Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Package Contents: LANTAC LATCH Charging Handle What firearm models does the manufacturer say LANTAC LATCH Charging Handle is compatible with? The manufacturer suggests that LANTAC LATCH Charging Handle is compatible with AR-15LANTAC 01-UP-556-LATCH: LATCH Charging Handle AR-15 Ambidextrous Black