The Crosman 600 in often referred as the pinnacle of trigger design at Crosman. The model continues to be one of the most popular and sought after of the Crosman pistols. the model 600 was made from 1960 to 1970. It is a .22 caliber semi automatic air pistol with a 10 round spring loaded magazine. The is the second variant with the Model 160 type piercing cap. The particular gun will need some work. It is sold as / no examined, as is with no return. This is just the way we received it. We just have too many airguns to repair and have decided to sell off some of our raw stock. We have Seal Kits for this model available on our website. This gun could make someone a nice project gun.