$1030 new.  Less than 100 rounds.   Below is the Ruger & Vortex specs.   
Warne Rings 30mm MED 514M.
223 Rem Radial Port Muzzle Brake add on. 

Caliber: .223 Remington (also accepts 5.56 NATO).
Capacity: 10+1 rounds (uses detachable box magazine).
Barrel Length: 22 inches (heavy, cold hammer-forged, free-floated barrel).
Twist Rate: 1:8" (ideal for stabilizing a wide range of bullet weights).
Thread Pattern: 1/2"-28 TPI (threaded muzzle with factory thread protector).
Overall Length: 42 inches.
Weight:  6.6 lbs (unscoped).
Length of Pull (LOP): 13.75 inches.

Vortex Diamondback Tactical 4-16x44.
Magnification: 4-16x.
Objective Lens Diameter: 44 mm.
Focal Plane: First Focal Plane.
Reticle: EBR-2C (MOA).
Eye Relief: 3.8".
Field of View: 26.9' - 6.7' @ 100 yds.
Turret Style: Exposed.
Tube Size: 30mm.
Adjustment Graduation: 1/4 MOA.
Travel Per Rotation: 15 MOA.
Max Elevation Adjustment: 85 MOA.
Max Windage Adjustment: 85 MOA.
Parallax Setting: 20 yds. - ∞.
Length: 14.1".
Weight: 23.1 oz.