Primary Arms SLx Features The Primary Arms SLx 4.50-27x56mm is built around a first focal plane reticle meaning the ACSS DEKA Gen2 s holdover and ranging marks stay accurate at any magnification rather than only at one fixed power. Upgraded optical glass paired with a multi-coated 56mm objective lens delivers bright high-resolution images that help with target identification and precision aiming even at extended distances. The reticle centers on a fine 0.1 MIL dot for an unobstructed point of aim surrounded by clean MIL stadia with alternating hash marks in 0.1 and 0.2 MIL increments extending out to 10 MILs in every direction. A partial illumination feature lights the core aiming elements in red helping the reticle stand out against dark or cluttered backgrounds. Built on a rugged 34mm main tube the SLx provides 32 MIL of elevation travel for serious long-range adjustment with MIL turrets delivering precise tactile clicks and excellent tracking. The Easy Stop zero return feature lets the shooter dial back to a true zero quickly and confidently after making adjustments in the field. Integrated into the reticle is a target ranging system that lets the shooter estimate distance from 300 to 1000 meters using a target s known height or width without breaking position. Shock-resistant waterproof and fog-proof construction combined with Primary Arms Lifetime Warranty makes the SLx 4.50-27x56mm a dependable choice for shooters who demand performance without compromise. Primary Arms SLx Specifications Manufacturer: Primary Arms Optics Model: SLx Magnification: 4.50-27x Objective: 56mm Tube Diameter: 34mm Color: Black Finish: Hardcoat Anodized Focal Plane: First Reticle: Partial Illuminated MRAD Red ACSS DEKA Gen2 Elevation Adjustment: 32 MIL Battery: CR2032 3V Lithium Proofs: Waterproof / Shock / Fog Resistant Click Value: .1 MRAD Available At: GrabAGun