AT3 Tactical Protective Cover with Lens Caps for RD-50 Red Dot Sight. The attached lens caps wont get lost and easily lock together with one hand when not in use. The RD-ARMOR is made from a durable thermoplastic elastomer that withstands oils solvents and harsh outdoor conditions. It can be easily installed and removed from your RD-50 in a matter of seconds. You may find that mounting the RD-ARMOR on an RD-50 without a riser mount may interfere with fully closing the lens caps but dont worry. The cover can be easily modified for applications without a riser and we provide easy-to-follow instructions with each unit on how to do so. Package Contents: AT3 Tactical RD-ARMOR Protective Cover w/ Lens Caps for RD-50 Red Dot Sight AT3 Tactical RD-ARMOR: RD-ARMOR Protective Cover with Lens Caps for RD-50 Red Dot Sight