For precision or long-range shooting, the 5-25x50 Burris Signature HD version is built with a 30mm nitrogen-filled tube. The thin crosshairs on the Fine Plex reticle are ideal for those looking for a simple and precise sight window.Great choice for NRL 22 precision rimfire matchesZero stop turrets5x zoom system with premium, multi-coated glass for crisp, bright imagesNew push/pull locking turretswith a wide choice of front and rear focal plane reticlesSide parallax adjustment on most modelsZero stop feature on all target knobsRefurbished items may or may not include accessories.