What's a Trigger Spring Kit?
By Chris Nelson
It's performance that you can see and feel. Pulling the trigger becomes smooth and crisp, eliminating any rough or jerky sensations.
About Trigger Spring Kit:
Upon aiming at your target, you'll notice your shot groupings are centralized and compact, rather than scattered.
Enhanced Shot Precision:
The refined trigger pull provided by the kit ensures tighter shot groupings on your target. With M*CARBO Trigger Spring Kits, every squeeze of the light, crisp trigger is smooth, leading up to the hammer dropping and firing the chambered round.
Benefits:
- Conserve ammunition by enhancing accuracy.
- Improve your hunting game, from birds to targets.
- Win more competitions and showcase firearm performance.
- Achieve higher firing rates with a lighter trigger pull.
- Reduce firearm malfunctions using top-grade spring steel components.
All our parts are proudly American-made, designed and manufactured by Combat Veterans.
If you're after superior firearm performance, Click Here.
M*CARBO offers a LIFETIME guarantee on all our custom parts. Experience a match-grade trigger with us.
My trigger is limp and sometime does not reset in SA after installing your trigger kin in a cz75 sp-01. Is this a bad spring? Do I need to put in the factory one? Which one should I be focued on and is their something to look for?
January 16, 2026 12:35 PM
I am interested in purchasing the MCARBO flat trigger for a SIG P365X but I also need to know which spring kit goes along with that trigger
I just bought a trigger from you. It is not as complete as the one parts group I saw on u tube. It looks like the old parts are no longer available. I have a Ruger PC Carbine. Early model. I understand the liability game. You can't sell it because of trouble, but can you direct me to find the other springs.
Thanks
I recently purchased a trigger spring kit for the Winchester Model 70 purchased just a few weeks ago. I saw the YouTube video that provided detailed instructions on how to install this kit. I installed the kit while I viewed the video and had no difficulty or any problems at all. However, there was zero improvement with my trigger pull. I do not have an electronic gauge to precisely measure the weight but am assessing the pull by feel and by using the old "adding water to a bucket" method. I do have a very precise scale for weighing the bucket of water, and the trigger is consistently breaking anywhere from 5.3. pounds to 6.1 pounds. I uninstalled the kit and reinstalled it a second time just to make sure there was nothing out of place but am having the exact same results. On the initial install I ever made absolutely sure not to mix up the old springs with the new springs. They look exactly alike and I could see how that could easily happen. I have tried it with the original set screw completely removed, and with it installed with 3 to 4 threads showing. Everything else with the gun functions perfectly. I am just wondering if anybody else has reported similar results and if so, is there a solution? Any ideas? Thank you.
September 20, 2025 12:40 PM
Good morning. I installed the VP9SK trigger spring kit. Now there's a catch/hump at the start of the trigger pull and failure to reset when firing. While dry firing the catch/hump is there but it seems to fire and reset. Tried to use it in an IDPA match today and the trigger wouldn't reset without manually pushing the trigger forward with my finger or cycling the slide. Either action reset the trigger, but it didn't reset automatically. Do you have suggestions for removing the catch/hump and getting it to reset?
I like the pull IF the rest works. Right now it's unusable. Do I need to reinstall the original rest spring?
Thank you for the response. In the meantime I went back to the stock spring and it works. I'll try your suggestion to see if they can get it working.
Please send an email to help@mcarbo.com if you still need help with this.