Truglo Tru-Tec open-emitter red dot - 4-reticle selector with Picatinny mount. Black finish. Designed for AR-15 / carbine / shotgun rail use. Specifications Brand: Truglo Style: open-emitter reflex (tube-less) Reticle: 4 selectable (dot, circle-dot, cross-dot, etc.) Mount: Picatinny rail (direct attach) Color: black Fitment AR-15 / AR-10 carbines with Picatinny upper rail Pistol-caliber carbines with Picatinny rail Shotguns with Picatinny rail mounts Any rifle with Picatinny rail