I just picked up my new Echelon 4.0c on Valentines day this year. It's got a pretty decent trigger from the factory...4 lb 10 oz on my Lyman digital. I have been reading a bit about a different trigger though as the take up is right at 6mm. I ended up buying a Tyrant trigger and I installed that a couple of weeks ago. Take up is now right at 1mm. Reset might be just a touch shorter, but nothing significant for an already good reset distance. I've also got the Powder River Echelon spring kit ordered and will/should be here day after tomorrow (Thursday). I'll likely put that in this coming weekend and I'm looking to see somewhere around a 1 lb less pull when that goes in. I've had it to the range a few times and zero issues with the gun. I need to go back again soon though as I changed dot on it and it's now wearing a Holosun 507K GR X2 that needs to be sighted in.
I was torn between the full size 5" barrel and the 4" barrel that I ended up getting, so who knows, I might end up getting one of 5" models also....I like it that much. If you purchase new and now, SA has the 2025 Gear up promotion going which gets you a small size range bag, 3 extra magazines and your choice of a couple of different Red Dots....either the Crimson trace 1500 or the HEX Wasp.