USP Compact: Double Action vs. Single Action

Published on October 5, 2022
Duration: 0:14

This video provides a clear demonstration of the Heckler & Koch USP Compact's Double Action (DA) and Single Action (SA) trigger systems. It highlights the longer, heavier pull of DA compared to the shorter, lighter pull of SA, and shows the function of the decocking lever. The H&K USP Compact is presented as a capable firearm with specific technical specifications detailed.

Quick Summary

The H&K USP Compact offers both Double Action (DA) and Single Action (SA) trigger modes. DA requires a longer, heavier pull to cock and release the hammer, while SA uses a shorter, lighter pull when the hammer is already cocked. A decocking lever safely lowers the hammer.

Chapters

  1. 00:00Introduction: H&K USP Compact DA/SA
  2. 00:01Double Action Trigger Demonstration
  3. 00:04Single Action Trigger Demonstration
  4. 00:08Decocking Lever Function
  5. 00:11Final Double Action Pull

Frequently Asked Questions

What is the difference between Double Action and Single Action on the H&K USP Compact?

Double Action (DA) on the USP Compact involves a longer, heavier trigger pull that both cocks and releases the hammer. Single Action (SA) occurs when the hammer is already cocked, resulting in a shorter, lighter trigger pull for a faster shot.

How does the decocking lever work on the H&K USP Compact?

The decocking lever on the H&K USP Compact is used to safely lower the hammer from a cocked position to an uncocked position without firing the pistol, preparing it for a Double Action first shot.

What are the key technical specifications of the H&K USP Compact shown?

The H&K USP Compact featured is chambered in 9mm x 19, has a 13-round capacity, a 3.58-inch barrel, and weighs 1.60 lbs without the magazine. Its MSRP is estimated between $1,000 and $1,100.

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