Big things come in small packages with the uniquely designed Sig Sauer ROMEO-MSR 1x20mm Combo KIT Compact Red Dot paired with your favorite firearm. These Red Dot Sight Magnifiers from the innovators at Sig Sauer feature a 20,000 hour battery life for exceptional targeting in low light or no light conditions. With a high performance lens coating, the Sig Sauer ROMEO-MSR 1x20mm Black Compact Red Dot is waterproof and fogproof, and will never obscure your shot. Compact and rugged, this red dot is intended for use with MSR, carbines, shotguns, and air rifles. Thanks to a variety of daytime and nighttime settings the Sig Sauer ROMEO-MSR 1x20mm 3x22mm Compact Red Dot is the only tool you need to make that epic shot.