SightMark Core HX 2.0 Riflescope 4-16x50 HDR2. 0 HX Series of riflescopes from Sightmark is an improvement on the previous Core offering upgraded glass finer click adjustments and improved low light performance. Designed with versatility in mind the Core 2.0 HX is available in either the Duplex or Hunter Dot Reticles to offer hunters of all skill levels the simplicity or sophistication they need to achieve that perfect shot. With its solidly built housing made of aircraft grade aluminum the Core 2.0 HX promises to be a dependable hunting tool in any environment. This robust housing allows the Core 2.0 HX to be both waterproof and shockproof while a nitrogen filled tube prevents fog and high quality glass enables a crystal clear image. Specifications for SightMark Core HX 2.0 4-16x50 HDR2 Riflescope: Manufacturer: SightMark Objective Lens Diameter: 50 mm Magnification: 4 - 16 x Color: Black Last Chance: Yes Rangefinder Application: Shooting Hunting Package Contents: SightMark Core HX 2.0 4-16x50 HDR2 Riflescope SightMark SM13104HDR2: Core HX 2.0 Riflescope 4-16x50 HDR2