The TruGlo Traditional Red Dot Sight is ideal for shotguns, handguns, paintball guns, even crossbows. 5 MOA reticle designed for quick acquisition (Models TG8030A2 and TG8030B2 include 2.5 MOA reticle). Unlimited eye relief Wide field of view. Flip-up lens caps / lanyard system. Lightweight / easy to mount. Integrated Weaver-style mounting system. Battery included (3V-CR2032).