The Griffin MK2 Ambi Lower is the ideal foundation for your next rifle build. Precisely machined from high-grade 7075-T6 aluminum to exact tolerances, the MK2 lower is a premium rifle platform offering proper fitment and utility with mil-spec lower components. To enhance durability, the MK2 lower is hardcoat type 3 anodized for superior resistance to surface wear, scuffs, scratches, and discoloration from cleaning solvents and oils. Included with this lower are Griffin's ambi magazine release and ambi bolt catch & release controls offering increased usability for right and left-handed shooters.