The Crimson Trace Brushline 4-12x40mm scope with the BDC Rimfire reticle is specially designed for small-game hunters seeking precision and reliability. Constructed with a 1 inches tube made from aerospace-grade aluminum, this scope is both lightweight and exceptionally durable. Having passed rigorous environmental testing, it is nitrogen-purged, waterproof and shockproof, ensuring consistent performance in any conditions. Featuring MOC-coated ELD glass for enhanced clarity, the scope also includes aggressive knurling on the magnification ring and turret for easy, precise adjustments. Backed by a Lifetime Warranty and supported by Crimson Trace's award-winning customer service team, this scope is built to exceed expectations in the field.