Original, smallest, lightest, toughest mini day / night sight for all military, law enforcement and sporting small arms. With over 100,000 delivered to date, Shield's Mini Sight has a proven track record. Over 15,000 units are in use by the British regular army and Special Forces, as well as US, Australian, New Zealand Special Forces and other NATO forces. Sold under other brand names for many years, you may know the Shield Mini Sight as the Firepoint, Tasco Optima, Trijicon RedDot or JPoint. - Includes (2)-M4x8mm and (2)-M4x10mm Screws - Mini Sight - Red Dot - SMS Footprint - 2 MOA