Action Enhancement Kit for SDVE

Drop-in trigger kit for Smith & Wesson SDVE and SD series pistols. This component replaces the factory trigger return spring, sear spring, and striker block spring to reduce pull weight by approximately 2 lbs while smoothing the uptake and shortening reset. Designed for carry, duty, or recreational use, it addresses the gritty, heavy factory trigger without altering the pistol’s safety values.

Compatibility

• Smith & Wesson SD9 VE
• Smith & Wesson SD40 VE
• Smith & Wesson SD9 (pre-VE)
• Smith & Wesson SD40 (pre-VE)

Key Features

• Drop-in installation – no fitting or permanent modification required
• Reduces trigger pull weight by approx. 2 lbs (factory pull retained for reliability)
• Pre-travel reduced by 20%
• Over-travel reduced by 10%
• Center-mounted pivoting safety maintains factory sear engagement and drop safety
• Includes replacement trigger return spring, sear spring, and striker block spring

Install Difficulty

Level 3 of 5 – Moderate. Requires disassembly of the trigger housing and removal of the factory trigger return spring and sear spring. Tools needed: 1/16” punch, non-marring hammer, small flathead screwdriver, and slave pin (optional). Recommended for users with prior striker-fired trigger work experience.

Frequently Asked Questions

Will this work in the SD9 2.0 or SD40 2.0 models?

No. This kit is for original SDVE and SD series pistols only. The 2.0 models use a different sear housing and trigger bar geometry.

Does this kit include a replacement trigger shoe?

No. It includes only the three springs and the pivoting safety block. The factory trigger shoe and trigger bar are reused.

Is this legal for USPSA Production division?

Check current rulebook. This kit reduces trigger pull weight and modifies internal springs, which may place the pistol in Limited or Carry Optics division depending on interpretation. Verify with your local match director.

Shipping & Warranty

Ships within 1 business day via USPS Priority. All components carry a limited lifetime warranty against manufacturing defects. No returns on installed springs.