Umarex Hammer – .50 cal, 700+ Foot Pound Airgun and Airgun ammo with teeth – APX / HAVOX – SHOT SHOW 2017 Please scroll down for more information about the Umarex Hammer. It’s a great time to be an airgunner! I know you all want to know about this gun.  It’s the Umarex Hammer.  It’s a new .50 cal airgun that could very well turn the industry on its head.  Promising over 700 FPE from