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This document serves as the operators manual for the Heckler & Koch USP series of firearms. It covers various models including the standard USP, USP Compact, Expert, Elite, and Tactical variants in calibers such as 9mm, .357 SIG, .40 S&W, and .45 ACP. The manual details features like the Double-Action Only (DAO) or double-action/single-action (DA/SA) trigger mechanisms and the patented internal Lock-Out Device.
| Calibers available for USP Compact | .45 ACP, .40 S&W, 357 SIG, and 9mm |
|---|---|
| Safety features count | no less than four safety features |
Remove the magazine, lock the slide to the rear, and inspect the chamber for any cartridge or empty case.
Yes, it can be converted between DA/SA and DAO modes by installing different internal components.