Second, if you become knowledgeable in the field your purchases should increase in value not only allowing you to have the excitement of collecting, but the accumulation of equity in your collection. All have different models, variations of the models, calibers and gauges. There are rifles, shotguns, pistols and flare and air guns. With Walthers you have a wide range of firearms that the Walther Company manufactured - or is manufacturing - from which to choose. If you are a firearms collector or entertain the idea of becoming one, the collecting of Walther manufactured firearms is a very exciting and rewarding venture.