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The Smith & Wesson SD and SDVE are solid, dependable pistols that come with one weak spot straight from the factory: a heavy, long, gritty trigger that can push your shots low and left. This Apex Tactical spring kit is the fix a lot of SD owners reach for first. It's a set of three precision springs that swap out the sluggish factory pieces and wake the trigger up without changing how the gun runs.
Installing this kit brings the pull weight down from around eight pounds to roughly five and a half, which is a big drop you'll feel immediately. The pull gets smoother, the break cleaner, and the reset shorter and more positive so your follow-up shots come faster. Plenty of folks who've run it say the trigger ends up feeling close to an M&P, which is high praise for a gun in the SD's price range. It's tuned for Duty and Carry use, so you're not sacrificing reliability to get a better feel.
The kit includes an Apex trigger return spring, a striker block spring, and an SD striker spring. It's built to work with your factory sear spring, so there's no need to touch the sear itself. You can run this as a standalone upgrade or pair it with the Apex SD Polymer Action Enhancement Trigger if you want to take the feel even further down the road.
A quick heads-up on fitment: this one is made for the classic SD and SDVE series, covering the SD9, SD40, SD9VE, and SD40VE. It is not for the older Sigma pistols or the newer SD 2.0, which use a different fire control setup. Installation goes beyond a basic field strip, but Apex has clear step-by-step videos on their site, and most people with a little mechanical patience get it done at the bench. If wrenching on your own gun isn't your thing, any competent gunsmith can drop it in quickly.
Yes. This kit is made for the classic Smith & Wesson SD and SDVE series, which covers the SD9, SD40, SD9VE, and SD40VE in both 9mm and 40 S&W. Just note that it is not compatible with the older Sigma pistols or the newer SD 2.0, since those use a different fire control group.
It drops the pull weight from roughly eight pounds down to about five and a half, a reduction of around two pounds. Along with the lighter pull you get a smoother stroke and a shorter, more positive reset. Most owners notice a big improvement in accuracy once they get some practice in with it.
No sear spring is needed. This kit is designed to run with your factory sear spring, so you don't remove or replace the sear at all. That keeps the install simpler than a full trigger job.
It's a manageable project if you're comfortable going a bit past a basic field strip and have some basic punches on hand. Apex provides step-by-step installation videos on their website that walk you through the whole process. If you'd rather not do it yourself, any competent gunsmith can install it quickly.
| UPC | 856008005390 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 107-120 |
| Model |
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