This is a Trijicon Rifle Scope known as the AccuPoint, model TR20G.
The Trijicon AccuPoint is a high-quality" variable powered sporting riflescope featuring a battery-free illuminated reticle" superior glass clarity and rugged construction. Designed to stand up to the elements" the AccuPoint maintains the refinement needed for precise windage and elevation adjustments. The multi-layer coated lenses provide superior light transmission" while the illuminated reticle aids in quick target engagement. The AccuPoint provides a quick focus eyepiece and long eye relief.
Features:
Variable power
Battery-free illumination
Second focal plane
Waterproof
Superior quality lenses
Manual brightness override