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Aug
50 Cal Air Rifle . The .50 caliber Umarex Hammer Airgun Hunting Rifle didn’t alter the laws of physics. It just took advantage of them. The Umarex Hammer’s primary objective was to accelerate a greater mass faster using technology, ingenuity, innovation, and the big . 510 caliber barrel. This unparalleled air rifle will push a 550-grain slug […]
