Presma AR-10 .308 Mil-Spec Charging Handle Black. 308 upper. Standard non ambidextrous. Made from Strong Aircraft Grade T6 Aluminum hard-coated anodized Specifications for Presma AR-10 .308 Mil-Spec Charging Handle: Manufacturer: Presma Color: Black Finish: Anodized Fabric/Material: 7075-T6 Aluminum Caliber: .308 Winchester Gun Make: AR Platform Gun Model: AR-10 Projectile Caliber: .308 Caliber Package Contents: Presma AR-10 .308 Mil-Spec Charging Handle What firearm models does the manufacturer say Presma AR-10 .308 Mil-Spec Charging Handle is compatible with? The manufacturer suggests that Presma AR-10 .308 Mil-Spec Charging Handle is compatible with AR-10Presma CH3804: AR-10 .308 Mil-Spec Charging Handle Black