CMMG ZEROED Ambi-Charging Handle .308. Constructed from rugged 7075 aluminum the ZEROED ambi charging handle was made to withstand any charging method while providing superior grip even with gloves or optics so you can always charge your AR with confidence. Specifications for CMMG .308 ZEROED Ambi-Charging Handle: Manufacturer: CMMG Color: Black Fabric/Material: 7075 T6 Aluminum Caliber: .308 Winchester Gun Make: CMMG Gun Model: CMMG Mk3 Hand: Ambidextrous Package Contents: CMMG .308 ZEROED Ambi-Charging Handle What firearm models does the manufacturer say CMMG .308 ZEROED Ambi-Charging Handle is compatible with? The manufacturer suggests that CMMG .308 ZEROED Ambi-Charging Handle is compatible with CMMG Mk3CMMG 38BA531: ZEROED Ambi-Charging Handle .308