Online Retailer of Firearms, Ammunition and Accessories. Large Selection at the Lowest Prices. A Northern Colorado firearms retailer and manufacturer, that provides quality firearms, firearm accessories, and ammunition to our customers at the best prices. Our firearm training facility is designed to provide top quality instructor involved training programs for all of our customers. Whether you are personally with a qualified instructor, or via our available online training programs; our plan is to put education and safety first for all shooters regardless of ability. From novice to expert, make The Bunker your one stop shop for all firearms needs.