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Review
Price, service, delivery and instructional videos are excellent! The only problem is that the mainspring will not fit the Kimber Micro 9 series. Talking with Chris to develop a shorter captured mainspring to fit in the Micro 9 housing. Will not hesitate to order if it becomes available!! Death to Lawyer Triggers!
I installed the hammer spring and firing pin spring kit on my Sig p938. Polished the hammer and feed ramp as per the video. Trigger pull was 5 1/2 lbs. before the upgrade and is now 5 1/2 lbs. no change. I have used other Mcarbo parts with great results however I am disappointed with these. Richard
Just completed my installation on My Sig 938, polished feed ramp and trigger contact surfaces, installed spring kit, tested with a Wheeler Digital Trigger scale using 3 pull average readings. Results were, clean, smooth take up, crystal break and pull average greatly reduced. Before spring kit pull was at 5.7.3 lbs. After spring install and polishing pull was 2.7.1 lbs. Significant reduction and great feel improvement for about an 1hr of effort and little expense. Thanks M*Carbo I have another happy customer.
I have been carrying a 938 for about 4 years, ran across the video on the trigger spring kit, ordered it and did the polish work as described in the video. Amazing difference, butter smooth. Ordered a second kit for my wife's P238. Nuf' said.....
SWEEET!!! The installation video was excellent and when it came do the install it took all of about 25 minutes. The kit price is amazingly low compared to other gun type kits. The Sig P238 is my wife's carry gun and after I finished I handed her to gun and when she pulled the trigger her eyes lit up, her quote was "what did you do to it?" Just changed springs was my reply. At the range a close friend, who carries the same gun shot it and said give me the link. If you own a Sig P238/P938 tis is a great kit. Trigger pull on mine went from 6.5 Lbs. to 4.35.
I have field stripped guns and rifles before but have never taken them apart further. This was my first attempt. So I watched the video and followed it rewinding to repeat as necessary. That can get messy when you are dealing with the polishing part. The video was fantastic. Following it made everything so easy.
I’m 82 with slight arthritis in my fingers had no problem installing spring kit using You Tube Video. however, putting hammer pin back in had to have wife put pin in while I aligned hammer with hole and hold ejected back, she slid it right in. Extremely happy, it reduced trigger pull as advertised. I would highly recommend this kit. Great Company to work with.
I finished the installation on my P-938 and was extremely satisfied with the results. I did some minor polishing to the metal on metal areas of contact and checked the trigger pull before and after with a Lyman Trigger pull gauge, the result was a much smoother pull with a crystal break. 3 pull average before install was 6 lbs. 7.4 ounces, after install 3 pull average came in at 2 lbs. 9.4 ounces, a significant reduction. Thank you M*Carbo for another excellent product.
The kit arrived promptly and were in perfect shape. After viewing the installing video, I was able to install the trigger kit within a very reasonable time. Took the P938 to the range and had no problems with the P938 and was very well pleased with the performance. There was a considerable difference in the trigger pull which made shooting the P938 much more pleasurable experience. Put 50 rounds through the P938 with no problems noted. Thanks helping me solve a problem.
This spring kit really did the job! My accuracy is spot on now! Chewed my bullseye up right away! No more movement on trigger squeeze! Best upgrade! Wish somebody would make a reliable slightly oversized magazine for this gun... like 8 cartridges. Just enough for a better grip... not that ridiculous 10 shot aftermarket that everybody complains about
I love my Sig P228 but the trigger pull was a bit much for such a small Gem. This kit made me love it even more. Thanks Chris
Polished the trigger group and feed ramp, installed MCARBRO springs on my Sig 938. WOW what a difference, lighter, smooth trigger breaks like glass. No more gritty drag! Next I’ll do the same to my Kimber Micro 380.
The parts are fine and work as advertised. I also bought the polishing kit for the feed ramp and hammer, but found that I preferred to use the old Arkansas oil stone hones to create a mirror surface. The shipping is really great, quick and the tracking was superb. All in all, a great experience and nice product. Keep it up, Chris and M*Carbo team!
great product gun works great
I'm happy with the results I got from polishing and installing the trigger spring kit on my Sig P938. This improvement was easy and didn't take long. The trigger on my 938 was very heavy out of the box. The excessive pull weight made it difficult to shoot accurately with a gun with such a small grip. I used the polishing kit and installed the new springs as instructed in the video that is provided. The end result is a significant reduction in trigger pull weight and smoothness. This is exactly what I was hoping for. Although I don't have a trigger pull gage, I am sure that the pull reduction wasn't 50%. However I wasn't really wanting a 2 1/2lb trigger in a carry gun anyway. I wanted the trigger pull to be lightened just enough to make accurate shooting much easier. The spring kit accomplished this. Thanks Mcarbo for such a easy and cost effective solution!
Hats off to the brotherhood at MCarbo!, I purchased the trigger spring kit hoping to reduce the trigger pull a bit. Though the DIY video was very well done, I decided to have a gunsmith do the work. Best complement to you guys came when the gunsmith handed the pistol back to me and said" That is the sweetest trigger pull I've felt. Went from 7.7# to 5.4# (I asked him to measure it before and after). Thanks MCarbo!! YOU ROCK!!