Offering crisp, bright images, the Burris Signature HD Rifle Scope features premium, fully multi-coated glass elements. Push/pull locking turrets boast micro-adjustments with secure locking to protect against accidental adjustments during transport. Zero stop turrets (on select models) offer a quick return to zero, while the side parallax adjustment (excluding 2-10x models) keeps you on target in virtually any shooting position. Plus, this scope is 100% waterproof, shockproof, and fogproof, and backed by Burris's "no questions asked" Forever Warranty!Specifications and Features: 1-piece aircraft aluminum Fully multi-coated glass elements Push/pull locking turrets Side parallax adjustment (excluding 2-10x models) Waterproof, fogproof, and shockproof