Smith and Wesson Sigma SW9VE with Apex and MCARBO springs SD9VE and SD9 2.0 trigger pull weight

Published on March 21, 2024
Duration: 9:33

This video details the process of reducing the trigger pull weight on a Smith & Wesson SW9VE by installing an MCARBO sear spring, in addition to an existing Apex spring kit. The presenter measures the trigger pull before and after the MCARBO installation, demonstrating a significant improvement in feel and a reduction in pull weight. Comparisons are made to the SD9VE and SD9 2.0 trigger pulls.

Quick Summary

Reducing the trigger pull on a Smith & Wesson SW9VE can be achieved with an Apex spring kit and an MCARBO sear spring. This modification brought the trigger pull down from an initial 8 lbs 2.4 oz average to 6 lbs 12 oz, significantly improving the feel and making the firearm more usable.

Chapters

  1. 00:01Introduction to SW9VE
  2. 00:33Apex Spring Kit Installation
  3. 00:46Pre-MCARBO Trigger Pull Test
  4. 02:36MCARBO Sear Spring Installation
  5. 04:41Post-MCARBO Trigger Pull Test
  6. 05:48SD9VE Trigger Pull Comparison
  7. 07:24SD9 2.0 Trigger Pull Comparison
  8. 08:44Upgrade Recommendation & Cost

Frequently Asked Questions

How much does the MCARBO sear spring reduce the trigger pull on a Smith & Wesson SW9VE?

Installing an MCARBO sear spring, along with an Apex spring kit, on a Smith & Wesson SW9VE reduced the trigger pull from an average of 8 lbs 2.4 oz to 6 lbs 12 oz. This is a reduction of approximately 1.5 lbs, significantly improving the trigger feel.

What parts are replaced in a Smith & Wesson SW9VE trigger upgrade using Apex and MCARBO kits?

The Apex kit typically replaces the striker block spring and the trigger return spring. The MCARBO kit specifically replaces the dual coil sear spring located within the firearm's frame, which is a major contributor to a heavy trigger pull.

What is the average trigger pull weight for a Smith & Wesson SD9VE with an Apex spring kit?

A Smith & Wesson SD9VE equipped with an Apex spring kit has an average trigger pull weight of approximately 5 lbs. This is lighter than the modified SW9VE, which averages around 6 lbs 12 oz after both Apex and MCARBO upgrades.

Is the trigger pull on the Smith & Wesson SD9 2.0 comparable to the SD9VE?

Yes, the trigger pull weight on the Smith & Wesson SD9 2.0 is very similar to the SD9VE. Both models, when tested, averaged around 5 lbs 2 oz, making them feel comparable in trigger performance.

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