This document serves as an instructional guide specifically for armorer personnel regarding the HK USP (Universal Self-loading Pistol). It details the unique design characteristics of the firearm, including its American-influenced controls and recoil reduction system. The manual explains how the pistol can be modified into various trigger/firing modes by authorized HK armorers.
| Caliber | .40 S&W, 9 x 19mm Parabellum |
|---|---|
| Operating Principle | Short Recoil |
| Action Type | Modified Browning Type, linkless |
| Total Length | 194mm (7.64in) |
| Barrel Length | 105mm (4.13in) |
| Magazine Capacity (.40 S&W) | 13 rounds |
Trigger/firing mode conversions can only be made by an HK armorer.
The USP operates on a short recoil principle.