TacFire AR-10 Charging Handle 6061-T6 Aluminum Black Hardcoat Anodized TacFire's Standard .308 Charging Handle Allows The Operator To Lock Their Bolt Open Or To Chamber a Round. It Is constructed Of 6061-T6 Aircraft Aluminum With a hardcoat anodized Finish. Type: Charging Handle Model: AR-10 Size: 308 Material: 6061-T6 Aluminum Finish: Black Anodized