The Glock G19 Gen5 MOS in a Olive Drab package is a popular choice for Shooters. This Mid-Size pistol features a Rugged Lightweight frame and a Melted Steel slide. The MOS (Modular Optic System) allows for easy Installation of a variety of Optic Systems, Boosting your Target Acquisition. Factory Options include three Clips and a Holster. The G19