I just want to reduce trigger pull a bit (maybe 2lbs). For those of you that have modded their SD9VE triggers, if you had to pick just one aftermarket part to accomplish my goal, what one mod would you pick?

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NRA Benefactor

APEX spring kit.

If I had to pick ONE part it would be the trigger return spring. I personally like a strong trigger return spring, but it does add weight to the pull.
I don't like messing with the striker spring because it can lead to light primer strikes, although this is the spring that gives the trigger most of its pull weight.

Deff recommend the Apex spring kit. Doesn't drastically lighten the pull but is much smoother than the stock. Would also recommend the apex trigger put it on mine and think it fits the gun way better than the stock.

Clean up/smooth the sear/striker engagement faces, the bore that the striker safety block rides in, the sides of the striker safety block, and the areas of block that it's return spring contacts. Basically, do what Glock does to their guns as SOP. Leave the rest stock.

Thanks folks. It's all certainly food for thought. This is my plan: 1. Do as Steve912 suggests, smooth things out. If that doesn't accomplish what I want then. 2. Disabled1 suggests the Apex spring kit. I may try that. Reliability is my #1 concern, I don't need or want a race gun. Cost would be a secondary but also very important consideration. I can't see spending $100+ dollars on a $300 gun. I might as well have bought an M&P to start with.

My previous experience indicates that stoning/smoothing promotes feel, often fooling folks into thinking the pull weight has been reduced. It's the springs that actually reduce pull weight. Of course, with springs a fine line must be walked between pull weight and reliability.

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NRA Benefactor

I have the APEX trigger and spring kit in my (2) SWVE models, and in my (2) SDVE models. The SD9 has a 7 lb. trigger. I can live with that.