If you ever venture off of the pavement, you know things can happen that you don't expect. If you slip and drop your rifle, your optics could be compromised. These sights mount on the Piccatinny rail system on your favorite AR rifle at a 45 Degree angle right next to your optics.                                                        Just roll your rifle to the side and you have your back up sights ready to go. So what ever happens on your next adventure in the outdoors you will be covered. Get these sights with a 30 day 100%satisfaction money back guarantee. CLICK the "Add to Cart" button and order yours TODAY!! Because you never know when the unexpected will come your way.