Prism optics have a number of benefits over more popular red-dot optics, not the least of which are a sharper sight picture, which can help shooters with astigmatism or other vision problems. The Burris RT-3 Prism Optic provides this benefit and more in a sight that has an expanded field-of-view, so shooters aren't limited in their view of what's downrange. The Burris RT-3 Prism Optic is incredibly small and lightweight for an optic of its type, weighing in at only 8.8 ounces. This makes it perfect for a shooter looking to cut down on weight while still building a lightweight carbine system. The optic comes equipped with a Ballistic 3X reticle and is powered by a single CR203 Mfg: Burris