Elcan's SpecterDR 4x/1x represents a major leap forward in magnified rifle optics. Unlike the majority of magnified optics that rely on twisting a magnification ring, the SpecterDR 4x/1x utilizes an innovative throw-lever to change magnifications. This allows the user to instantly switch between the 4x and 1x magnifications, making the SpecterDR perfect for both close and mid-range engagements. The SpecterDR's close/mid-range capabilities are further enhanced by the optic's illumination function, which can be used to illuminate the entire crosshair for longer-range targets, or illuminate a bright center dot for accurate close range shooting. Other features of the SpecterDR includes a generous field of view which remains the same at both 4x and 1x magnification for greater situational awareness. In addition to its impressive optical abilities, the SpecterDR 4x/1x ships with the exclusive A.R.M.S. MK-II Mount. Compatible with MIL-STD 1913 Picatinny Rails, the A.R.M.S. MK-II Mount features an integrated precision adjustment wheel, allowing the user to use the tip of their finger (no tool required) to change the tension on the mount for a perfect fit on the rail. The adjustment wheel on the A.R.M.S. MK-II mount comes pre-gauged and locked to the center of MIL-STD rails, and features .002 hash marks for fine-tuning tension. Furthermore, the SpecterDR 4x/1x includes an XOPTEK Micro Reflex sight for a close-range aiming solution or as a backup sight. Features of the SpecterDR 4x/1x: Magnification Throw Lever: Allows user to instantly switch between 4x and 1x by flipping a switch Illumination Function: Allows user to illuminate the entire crosshair or illuminate a bright center dot Optimized Optical Path: Eye relief remains the same at 1x and 4x magnifications A.R.M.S. MK-II Mount: Integrated precision adjustment wheel, allowing the user to use the tip of their finger (no tool required) to change the tension on the mount for a perfect fit on the rail XOPTEK Micro Reflex Sight: Provides a close-range aiming solution or as a back-up sight