The Phase 5 Ambi Battle Latch/Charging Handle Assembly (ABL/CHA) incorporates several structural and functional improvements, 7075 Aluminum, including a truly ambidextrous design ideal for left-handed users.The upgraded stainless coiled spring pin and increased sidewall thickness provide exceptional performance under repeated abuse and extreme situations. Finish-Black: Black Anodize Finish-Red: Red Anodize Finish-Blue: Blue Anodize Finish-Grey: Grey Anodize Finish-FDE: MagPul Flat Dark Earth Cerakote (code C-267) Finish-ODGreen: Mil Spec OD Green (code H-240)