Riton Optics 3 Primal Scope 3-15x44mm 30mm Tube XRP Reticle The 3 Primal 3-1544 LW (lightweight) gives hunters who need a lightweight scope, but cant compromise on features a viable option for that backcountry rifle. With a 30mm tube. The glass-etched XRP (Extended Range Plex) reticle offers the holdovers needed to make the hunt a success. Brand Riton Optics Category Rifle Scopes Series Primal Model 3 Magnification 3-15x Tube Diameter 30mm Color Black Reticle XRP Material 6061-T6 Aluminum Field of View 39.20-6.65ft @ 100yds Adjustment Size 60 MOA Focal Plane Second Objective 44mm Eye Relief 3.54" Length 12.70" Parallax Adjustment 25 yds-Infinity Lens Coating Multi-Coating Weight 1.28 lbs Exit Pupil Diameter 7-2.60mm