Apex Tactical 107003 Action Enhancement Black Drop-In Fits S&W SD9/40/357, SDVE9/40/357, Sigma

If you’re carrying a Smith & Wesson SD9, SD40, SDVE, or one of those old Sigma models, you already know the factory trigger leaves something to be desired. That hinged design? It’s not doing you any favors. Here at Guns Warehouse, we ship nationwide, and we’ve seen plenty of folks looking for a straight-up fix. Apex Tactical – the folks who actually know these pistols inside and out – built the 107003 Action Enhancement Drop-In Trigger to solve that exact problem. No guesswork, no gunsmithing degree required.

This is a solid-body polymer trigger that replaces that factory hinged setup. The safety is center-mounted and pivoting, just like you’d expect, but the real difference is in the feel. Apex rounded the face of the trigger so it sits against your finger smooth and comfortable, not like you’re pressing a cheap plastic lever. You’ll notice the pre-travel gets cut by about 20% compared to stock, and over-travel drops by 10%. That means less wasted motion before the break, and a cleaner stop after it. For a defensive pistol, that’s the kind of consistency that matters when you’re running drills or just want a better trigger for everyday carry.

Now, this trigger works best if you’ve already got an Apex SD or Sigma Spring Kit installed – it really shines with the whole package. But if you’re just swapping the trigger as a standalone part, it’ll still give you a noticeable upgrade over that factory hinged piece. It’s a drop-in design, so you can handle the install yourself with basic tools. No need to send it off or wait around.

Whether you’re in the humid backwoods of Georgia or the dry plains of Nebraska, we’ve got you covered. Guns Warehouse is a licensed FFL dealer, and we ship to all 50 states – no exceptions. We know the laws vary from state to state, but we handle that paperwork so you don’t have to. Just order the part, and we’ll get it out the door to your local FFL or straight to you if your state allows.

Price: $55.00
Category: Other Gun Accessories & Parts

Bottom line: if you want a trigger that feels like it belongs in your S&W, not one that fights you, this Apex unit is the way to go. And if you’ve got questions about fitment or shipping, give us a call. We answer the phone. We’re real people, and we know these parts.