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Exploring the World of Firearms and Gear

USP: Conversion from .40 to 9mm By: Kevin M. The HK USP (Universal Self-Loading Pistol) is a German-engineered handgun built from the ground up for what was, in the early 1990s, the hot new cartridge on the market: .40 S&W. Positioned as a middle ground between the 9mm and .45 ACP, the .40 S&W brought…
