The Glock G19 Gen5 MOS in a Olive Drab package is a popular choice for Gun Enthusiasts. This Mid-Size pistol features a Durable Polymer frame and a Stainless Steel slide. The MOS (Modular Optic System) allows for easy Installation of a variety of Red Dot Sights, Boosting your Accuracy. Standard Features include three Cylinders and a Carrying Case