Bushnell 452104 Elite 4500 Matte Rifle Scope Bushnell 452104 Elite 4500 Matte, RainGuard HD, Ultra Wide Band Coating Fully multi-coated optics, Magnum recoil-proof construction, One-piece tube 00% waterproof, fogproof and shockproof, Argon purged,  MOA or finer fingertip, audible and resettable windage and elevation adjustment