Romeo4H Red Dot Sight Ballistic Circle Dot 0.5 MOA Adj Side Battery Torx and QR Mounts Graphite by Sig Sauer Product Overview now offers the Sig Sauer Romeo4H Red Dot Sight Ballistic Circle Dot 0.5 MOA Adj in black. This red dot sight is perfect for your tactical rifle and pistol or shotgun. The 2 MOA dot is bright and easy to see and can be adjusted to match any illumination requirement. The dot has four selectable options: Dot and Circle-Dot and Dot with Holds and and Circle-Dot with Holds. The body is made from light weight CNC machined aluminum. The Romeo 4H is adjustable in .5 MOA increments to zero it perfecto to your firearm. The common CR2032 battery is easy to install and lasts up to 50 and 000 hours. The Romeo 4H can be mounted to either a Mil Std 1913 rail and has a quick release built in. This unit is water proof to 1 meter and fog proof. Specifications and Features: CR2032 Battery .5 MOA Adjustments Bright Easy to See 2 MOA Dot 1913 Rail Quick Release Mount Hard Coat Anodized Black in Color Water/Fog Proof