Grayguns H&K USP Trigger Return Spring, Light

HK USP Trigger Return Spring

Our HK USP Trigger Return Spring options offer different features and benefits. Review the Fit Guide below for pistol models tested with this spring.

HK Light Trigger Return Spring Details

The Light spring (painted green) lightens the DA and SA trigger pull weights. Your pistol’s pull weight will vary depending on the combination of hammer spring, firing pin block spring, and trigger reset spring installed in the gun.

The Light spring is incompatible with pistols that have the LEM trigger installed. We have found the LEM trigger will not reliably reset with the Light spring.

HK Medium Trigger Return Spring Details

The Medium spring (painted blue) will also lighten the DA and SA trigger pull weights. Your pistol’s pull weight will vary depending on the combination of hammer spring, firing pin block spring, and trigger reset spring installed in the gun.

The Medium spring offers a very positive trigger reset. If you replace a heavy trigger return spring (square wire), the pull weight reduction will be about 3.5 pounds. If you replace a standard trigger return spring, the pull weight reduction will be about .5 pounds.

HK Trigger Return Spring Fit Guide

Fits the following Heckler & Koch® pistol models and their variants.

• USP
• USP Compact
• HK45
• HK45 Compact
• P2000
• P2000SK