Aim-O Universal Flip-Up Protector BlackThis product was created by AIM O, a trustworthy brand that specializes in producing tactical sights and scope accessories. The item is a universal protector for the red dot and optical sights. It has two interchangeable polycarbonate glasses transparent and yellow. The mount is machined from metal alloy and is compatible with Picatinny rails. It protects against BB impacts and is attached in front of the aiming device.