Riton Optics 3 Series Primal, Rifle Scope, 4-16X44mm, 30mm Tube, Thick Duplex Reticle, Second Focal Plane, Black 3P416ASD23 Riton's 3 Primal 4-16x44 scope evolved from our 1 Primal 4-16x44 scope. Product developers listened to consumers to create this first-rate hunting scope. Featuring Riton HD glass, capped, zero resettable turrets and an integrated throw lever, the 3 Primal 4-16x44 provides a wide range of magnification and all on a 30mm main tube.