Tailored for the small game hunter, the crimson trace Brushline 3-9x40mm scope with the BDC Rimfire reticle has been finely tuned. Its 1 inches tube is expertly crafted from aerospace grade aluminum, striking a balance between lightweight design and robust durability. Rigorously tested for environmental resilience, this scope is nitrogen purged, waterproof and shockproof. It features ELD glass with MOC coating for outstanding clarity. The magnification ring and turret are thoughtfully designed with aggressive knurling for effortless adjustments. Each crimson Trace scope is safeguarded by a lifetime warranty and bolstered by our esteemed customer service team.