Sightmark Wolverine 1 x 23 CSR Red Dot Sight The Sightmark Wolverine CSR Red Dot Sight is designed specifically for shotguns and short-barreled rifles. The CSR sports a 4 MOA red dot reticle with a 23mm objective lens and adjustable digital switch brightness controls. Compact and light and the CSR model weighs only 10.3 ounces and and along with the FSR and offers very low power consumption. The CSR also offers variable brightness and night vision modes and which enables the ability to co-witness with a night vision sight. 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 and 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 and anti-reflective lens coating. Fog proof and nitrogen purged and the Wolverine family of sights is designed to provide shooters the ability to take aim in a variety of conditions and temperates 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 are submersible to three feet. Wolverine red dot sights have an adjustable mount height and are compatible with Picatinny mounts. Specification: Reticle Type 4 MOA Dot Reticle Color Red Illuminated Reticle yes Brightness Setting off and NV1 and NV2 and 3-10 Magnification 1 x Window Dimension 23 mm Window Material glass Eye Relief unlimited mm Windage Range of Adjustment 120 MOA Elevation Range of Adjustment 120 MOA MOA Adjustment 1 MOA Finish/Color Matte black Body Materal Aluminum 6061-T6 / rubber Maximum Recoil 800 g's IP Standard IP67 (submergible to 1m / 3ft) Shockproof yes Fog Proof yes Lens Coating AR red Mount Type Weaver/Picatinny Battery Type AA Battery Life (high) 900 - (low) 1 and 000 and 000 / 50 and 000 (setting 6) hours Battery Voltage 1.5 V Operating Temp and °F/°C -22 to 122 / -30 to 50 F/C Length 3.3 / 84 in/mm Width 2.8 / 71.6 in/mm Height 2.4 / 61.1 in/mm Weight 10.3 oz