M2 Red Dot w/ L Mount BKAO 5033 BK The M2 Red dot scope, a modern classic in the Airsoft world. One of the earliest styles of red dot scopes in Airsoft, the M2 pattern is a military styled scope with simplistic operation. Windage and elevation adjustable Red color dot reticule with 5 levels of brightness. It drop right on to an accessory rail with a simple screw type rail attachment bracket. Requires 2 x LR44 batteries (sold separately)