Description
Apex Tactical 107120 Spring Kit – .40 S&W for S&W SD / SDVE
If you’re running a Smith & Wesson SD or SDVE in .40 S&W, you already know the factory trigger leaves something to be desired. That’s where this Apex Tactical spring kit comes in. Straight from the folks who know S&W internals better than anyone, this kit cleans up the pull, sharpens the reset, and keeps you in the fight. No fluff, no hype — just a better trigger for a gun you already trust.
This is a duty and carry-grade upgrade. Apex Tactical designed it to work as a stand-alone drop-in or paired with their SD Polymer Action Enhancement Trigger for an even more refined setup. The kit includes a trigger spring, striker block spring, and SD striker spring. That’s everything you need to smooth out the stack, reduce take-up, and get a crisp, repeatable break every time.
Installation is straightforward for anyone with basic gunsmithing know-how. If you’re not comfortable tearing down the slide and frame, any local shop can handle it in a few minutes. For the price, this is one of the best returns on investment you’ll find for an SD-series pistol. No need to drop hundreds on a new gun when a $27.50 spring kit makes yours feel like a whole different piece.
Here at Sunshine Gun Shop, we carry this kit because we’ve seen what it does on the range and on the hip. Florida heat and humidity don’t bother it — Apex uses quality materials that hold up to sweat, salt air, and hard use. Whether you’re carrying in the Glades, training in Ocala, or just keeping something reliable in the nightstand, this spring kit earns its keep.
We ship to all 50 states through our licensed FFL network. Order your Apex Tactical 107120 spring kit from Sunshine Gun Shop, and we’ll get it out the door fast. No games, no hidden fees — just the right parts at a fair price. If you’ve got questions about compatibility or installation, give us a call or stop by. We know these guns inside and out.





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