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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...

Great parts and service

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My order was in the mail the same day I ordered it even during this COVID shutdown. The kit installed as advertised and works great! Significant reduction in pull weight. No downsides to this kit.

Great Performance Upgrade!

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Found MCARBO by accident on YouTube and ordered the spring kit right away. Great communication and fast shipping. The video was not only instructional but educational, giving me a better understanding of FCU and how it operates. The kit dropped my pull weight from 6# to 4# with a smooth feel throughout the pull.

Made in the USA by "Interesting and Dangerous Americans" with a 100% Lifetime Guarantee what more can you ask for, so go ahead pull the trigger (no pun intended) on this great product you will not be disappointed!

Great price for great performance

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This is a $20 trigger spring kit, not a new trigger. It definitely reduces the trigger pull weight. It's a shame the pre-travel and 'squishy' trigger mask the improvement IMO. More on trigger feel at the bottom.



Installation was straightforward*, and MCARBO's installation video is a great reference, if even for just the armorer's knowledge it covers. If you are not mechanically inclined, do yourself a favor and watch it first. Make sure you have all the tools needed. Then watch it again, before doing anything.



As for usage, safety functions checks passed and felt normal. Firing, I ran 15rd magazines, with 5-shot rapid-fire strings, and controlled pairs, and it worked as expected.



I would definitely recommend this to anyone using the P365/P365XL/P365SAS platforms.



If you understand striker fire triggers are subject to tolerance stacking, which is what causes their characteristically 'squishy' feel. This spring kit will not eliminate the pre-travel or feel.

Great price for improving trigger

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The kit is very basic and simple. One of the gunsmithing blocks should also be purchased with the kit. Saves you time and grief. Just pay close attention to the installation video.

Great Produce!!!

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Great inexpensive upgrade. Do it!

Great product

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First I would like to say is what a great company to work with and the shipping was spot on. The spring kit video was the finest instructional video I have ever seen first class, I followed the video and the installation was fairly easy for a guy who doesn’t work on guns. The results were great nice trigger action and a crisp reset unfortunately I am unable to measure the trigger weight but it did definitely reduced it. Very satisfied!!

Great Product

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The trigger spring kit for the Sig Sauer P365 was fairly simple to install. The video demonstrating the installation was extremely helpful and well done. The whole project took less than 30 minutes and it works great!

Great product

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The video show the old model striker Assembly took me a while to take it out because I have the new model. Everything was smooth after that.

Great Product

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Great product I could really feel a big difference on the trigger pull and function overall on the gun

Great Product

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The spring kit was just what I needed. Easy install. Great trigger pull. Will buy again

Great Product

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Fast shipping. Had the Mcarbo install video on my tablet and it all went smoothly. Put in the Sig flat trigger at the same time. Knocked 2 pounds off the pull.

Great Product

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Love my Sig 365X, but like most factory pistols, the trigger pull leaves a lot to be desired, this fixed the crappy mushy Sig trigger. Less take up and clean break, now, just need the replacement trigger to get here.

Great product and instructional video.

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I’m a fairly new gun owner and I easily installed the P365 trigger spring kit. The trigger feels much lighter and smoother. The instructional video was awesome. The owner obviously knows his craft and loves what he does. I’m completely sold and will do many more of these projects.

Great product!

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Nothing but positive from start to finish. The site was easy to use to order the trigger kit for my Sig 365, fast shipping, well packaged, excellent installation video and the kit works just as advertised. No issues or failures during shooting with various loads. Made the trigger pull lighter without being too light and feels shorter. Thanks again, Joe.

Great product!

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The reset is shorter and more crisp and the pull weight feels perfect to me now on my XL

Great product, sear spring isn't so easy to install!

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I love this product, can definitely feel the difference. I would consider myself a better than average "amateur" gunsmith however I wasn't able to install the sear spring. I didn't feel comfortable breaking down the entire FCG from my P365 so I paid someone to do it. The other 2 springs took me 5 minutes. Great product!