Machined scope body for a precision build and a durable design. One-piece lens retention system for ease of cleaning and replacing. Slotted mount adjustment for maximized vertical travel. Wrapped fibre design for a super bright pin. Easy 3rd axis leveling. Four possible pin positions to suit your preference. Can accept a 8-32 threaded sight light (not included). Accepts 1 5/8″ lens. Pin and fibre included.