Talara Tactical TT-84 Red Dot Sight with Weaver Picatinny Rail Mount for 22 mm Rails Puts you on target fast when quick shooting is critical Mounts to both Picatinny & Weaver rail systems Lightweight at 3.8 oz (including battery) 4 different reticle patterns in both red & green each with 5 distinct brightness settings Includes dust cover, CR2032 Lithium battery, Allen key adjustment tool, & lens cleaning cloth