Primary Arms SLx 3-18x50 Gen II 30mm Tube Rifle Scope First Focal Plane ACSS HUD DMR 308 Reticle Black 30mm. The Gen 2 SLx 3-18x scope still offers the same close range capabilities with 35 feet field of view at 3x while being able to quickly adjust to 18x for those 1000 yard shots. Additionally the magnification ring has been updated to accept dovetail levers allowing the use of the Primary Arms Slide Mount Magnification Flip Lever. The first focal plane reticle means that all the hold overs and range estimations will be accurate no matter what magnification you are set at. This revamped SLx 3-18 rifle scope comes with 3 different reticles to choose from so you can find the right set up for your needs and the 50mm objective lens lets in more light for better view of the target with an even larger eyebox. The Primary Arms SLx 3-1850 Gen II riflescope adds more improvements to one of the best selling mid-power scopes and will sure to be right at home on your precision rifle. Featuring improved optical performance with larger eye box enhanced turrets and an exceptionally durable construction the 3-1850 Gen II FFP Scope is backed up by the Primary Arms Lifetime Warranty. Specifications for Primary Arms SLx 3-18x50 Gen II 30mm Tube Rifle Scope First Focal Plane: Manufacturer: Primary Arms Objective Lens Diameter: 50 mm Magnification: 3 - 18 x Reticle: ACSS HUD DMR .308 Tube Diameter: 30 mm Reticle Focal Plane: First Focal Plane (FFP) Color: Black Battery Type: CR2032 Package Contents: Primary Arms SLx 3-18x50 Gen II 30mm Tube Rifle Scope First Focal Plane Primary Arms 610189: SLx 3-18x50 Gen II 30mm Tube Rifle Scope First Focal Plane ACSS HUD DMR 308 Reticle Black 30mm