Designed to mount directly to a Picatinny rail system the Tackdriver Picatinny Black Series 5-Pin Bow Sight offers shooters maximum adjustability with windage and elevation adjustments. An integrated sight level .010 sight pins a fiber housing and rechargeable pin light allow for visibility and accuracy even in low-light situations. Picatinny rail system mount Precision machined 6061 CNC aluminum alloy frame Tool-free locking arm knob 5 micro-adjustable .010 pins Fiber housing system for increased light to pins Rechargeable pin light Built-in sight level