CMC Triggers AR-15 Standard Charging Handle T6 Aluminum Black Small. This one is machined from 7075-T6 aluminum the same alloy used in receivers which means it can take repeated hard charging without the latch area wearing out. It's a standard mil-spec profile so it slides into any AR-15 or M4 upper without modification. Chambered in .223 and 5.56 builds alike. Nothing fancy here just a dependable handle at a price that works for volume builds. Specifications for CMC Triggers AR-15 Standard Charging Handle: Manufacturer: CMC Triggers Color: Black Finish: Anodized Fabric/Material: 7075-T6 Aluminum Caliber: 5.56x45mm NATO .300 AAC Blackout Gun Make: AR Platform Gun Model: AR-15 Hand: Ambidextrous Length: 10.75 in Package Contents: CMC Triggers AR-15 Standard Charging Handle What firearm models does the manufacturer say CMC Triggers AR-15 Standard Charging Handle is compatible with? The manufacturer says that CMC Triggers AR-15 Standard Charging Handle is compatible with AR-15CMC Triggers CMC-AR15-CH-7075: AR-15 Standard Charging Handle 7075-T6 Aluminum Black Small