Designed for short-range engagements the Sightmark Wolverine FSR Red Dot Sight is specifically built for the AR platform. A digital switch controls brightness of the 2 MOA red dot reticle with a 28mm objective lens that is specifically engineered for more rapid target acquisition. The durable FSR model weighs only 12.3 ounces and is built for a lifetime of use.The rugged Wolverine line of sights from Sightmark delivers unlimited eye relief and first-class battery life using just a single AA battery in a durable shockproof design. The responsive Wolverine sights are housed in a single piece of 6061-T6 aluminum that is rubber-armored and protected by a scratch resistant-reflective lens coating.Fog proof and nitrogen purged the Wolverine family of sights is designed to provide shooters the ability to take aim in a variety of conditions and temperatures ranging from -22 to 122 F. The Wolverine was built to adapt and is ready for anything. Both models sport an IP67 waterproof rating and ...