Built from a single piece of steel, each of our QD End Plates creates a strong, flush fit for a lifetime of service. Its optimized design is great for users who want to minimize weight while adding an alternative Quick Disconnect attachment point. This anti-rotational connection works for both right-handers and left-handers.Specifications and Features: Compatible With: AR-10, LR-308 Country of Origin: United States of America Finish: Matte Material: Steel