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Labeled Sig Sauer P365 Trigger Spring Kit - Striker Spring, Striker Block Spring and Sar Spring

Sig Sauer P365 Trigger Spring Kit (22229222399999)

4.77 stars, based on 674 reviews
Sig Sauer P365 Trigger Spring Kit Enhance your firearm's performance with the Sig P365 Trigger Spring Kit by M*CARBO. This top-quality American-made upgrade offers a significant 38% reduction in trigger pull from a stock ~6.5lbs to a modified...

Just plane awesome

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Once installed along with the flat milled trigger I received a solid 3.6 lbs of trigger pull and crisp trigger with no slack and minimal reset.

Kit is as advertised - but not much change for a P365XL

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The kit was as advertised, and the video MCarbo produced was excellent. For a P365 starting at 7ish pound pull, it would be a great improvement. For my P365XL, starting at about 5 lbs, it made very little difference - trigger pulls are 4.5 - 5 lbs, and I doubt I would be able to tell the difference if I had before and after side-by-side.

Light primer strikes

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Cool kit, very good instal video. I did experience light primer strikes using CCI primers. Wish I could give it a 5 star but unfortunately I need to bring it back to stock. Can’t have my carry piece fail to ignite the primer.

Light primer strikes

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I installed this trigger spring kit on my P365 with a factory XL flat trigger (installed over a year ago). I was excited to take this to the range once the install was complete. I used my trigger gauge and I had a nice crisp break at 4lbs even with an awesome reset. When I got to the range, I am very sorry to say that I experienced MANY misfires due to light primer strikes (1-3 about every 15rnds). I even field stripped my pistol at the range, and lubricated everything. I re assembled everything and sadly the issue did not improve at all.



The most unfortunate part is: this is my main conceal carry weapon. I do not feel confident at all having this on my person and protecting my life if I needed to use it (God forbid).



I will have to take this out of my rotation until I reinstall my factory springs that my p365 came with.
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Light primer strikes after a few hundred rounds.

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Never had a single failure of any kind until I put this kit into my 365 XL. Worked great for maybe 300-400 rounds and started light striking anything that wasn't nickel plated. About a 7% failure rate on Winchester white box. Replaced the striker spring with the factory one and the trigger still feels like it's at the same pull weight. I would take it out of the kit completely.

Light strikes

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The striker spring is far too light. It does lower the pull weight to 4ish lbs, but i was getting roughly a 15% failure to fire rate with my competition ammo (my heavily modified G34 with lighter spring has less than 1% on this ammo) and an unforgivable 5% FTF rate on my defensive V-crown ammo. The other two springs are okay to use, but throw the striker spring in the trash.

Light strikes

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Upon installing the kit, I tested multiple brands of ammo, to include my 124gr +P Federal HST carry ammo and had numerous light strikes. The striker spring in this kit is absolutely too weak. I have reinstalled the oem striker spring, but kept the other MCarbo springs in place with success.

Please do not use this complete kit for a carry gun without confirming that it is 100% functional.

Lightens pull

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Kit took trigger pull from 5 Lbs + down to 3Lbs 9 OZ

Follow directions on video and no problems. Tip , remember takedown / safety lever will not work unless slide stop is up.

Lightens the Trigger Pull!

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I have small hands and am an older shooter. My P365 had around a 7lb Trigger Pull. I wanted a lighter pull so it would be easier to manage when firing. After changing out the Trigger Springs the pull is between 4lbs and 5lbs! My shots are now more on target with less effort.



I now have 3 of my guns with MCARBO Trigger Kits!

Lighter Pull But Still A Bit Gritty

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I was planning on doing this installation myself, but after watching the video - which was clear and excellent - I got a bit intimidated. Lots of little part, and I just didn't feel comfortable keeping track of them all. Elected to have my gunsmith do the work. Yes, it cost me more, but everything was done right. Picked up my newly retooled P365 yesterday and took her to target practice. The lighter pull was clearly present. Definitely improved my accuracy. However, there still remains some gritty feel in the trigger between the wall and the firing. Just not as smooth as my Glock. Nonetheless, I would highly recommend the springs, and M-Carbo. My order was easily placed and literally arrived the very next day. Moreover, the follow up and follow through by this company has been unparalleled. Better than Amazon or any other online vendor I've used.

Lighter, smoother trigger.

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I carry a 365 every day that I have put thousands of rounds through and bought another to test modifications on before switching to carrying it. Then bought another for someone. I installed the M*CARBO springs, an Armory Craft flat trigger, and polished all parts that move during a trigger pull. I switched between shooting the modified gun, the other new gun, and my EDC Friday and the difference is night and day on the modified gun. This kit does nothing for take-up, the trigger bar return spring is not touched, but polishing the trigger bar and frame made take up as smooth as can be; then a very distinct wall, then a nice light ~3.5lb pull. A few others shot it with the same comments. Highly recommend the M*CARBO kit and while it is apart polish all parts that move against each other.

Like a trigger job in a bag

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GREAT PRODUCT!!!!!! But watch the install video before the kit arrives! I did not and upon arrival, I assumed that the seer spring that’s included was a broken trigger return spring! Dumb@$$! The Customer Service Was EXCELLENT in dealing with MY IGNORANCE! Can’t Say Enough About This Great Product And Customer Service!!!!!

Little hard

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The kit is great but I did have a little trouble with this one. The video is a great tool and it helped me a lot. Glad it was online and not a tape because it might have been worn out before I got mine back together. IT WAS worth it!!!

Little Springs make a big difference

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Changed the springs out. I was truly surprised the difference. If you have a newer p365 there is a slightly different way to remove the back plate to remove the springs and striker assembly so make sure to keep there in mind. The process is a little tricky, but if you disassemble your firearm totally for cleaning from time to time it is not that bad. Follow the video to the letter and don't get ahead of yourself.



Overall, brought my trigger from 5.9lbs pull down to right around 4. Between this and the flat trigger it feels like a new gun. Would highly recommend. Tried tapping and smacking after installation to test against accidental discharges and there were not. Solid

Lives up to it’s billing

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Fast shipping, well worth the price. First gun project, took about an hour, beginning to end. Love the crisp break, feels like the precision trigger that this fine pistol deserves.

Love it!!!

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Super consistant and feels really freaking good!! Much quicker 2nd round follow ups!! Was kind of a pain to instal the last spring but also didnt have the proper tool. Overall very very pleased and will be referring my customers to yall for kits!