modal3000technology, the Littmann Electronic Stethoscope Model 3000 is a powerful, effective tool for health care professionals. Most of all, know that the Model 3000 carries the Littmann brand name,This Model 3000 is in excellent condition and features an 18 barrel with a cylinder bore and a 2 34 chamber. The Smith & Wesson Model 3000 is a pump-action shotgun offered by Smith &