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Review
This is a rare model, near impossible to get... Well, the trigger spring was not cooperating. contacted them.... Seems no kit for this model yet?.. Hope they contact me when they make one??..
I purchased a customized SP-101 recently. Inspection showed a nice hard-chrome application and night-sight installation. The trigger was awful, as I expected after reading various reviews. This is an early model, so I bought the MCARBO kit for it, and hoped for the best. The U-Tube video on installation was excellent but for one miss-the part where you re-install the cylinder is missing. If you install the trigger assembly first, the cylinder won't go in. Other than that, great video and excellent schematic. Note that a couple of items for the SP-101 are MIA on the web site. After tearing down the trigger group, I found several bent springs and messed up detents, so I ordered replacement parts from Numrich Arms. After receiving the parts, I followed the MCARBO installation video. I now have a smooth cycling SP-101 that has a nice 3.75# Single Action trigger pull, and a very smooth 8# Double Action pull. These are less than half of the original, and the feel is tremendous. I recommend MCARBO trigger kits and especially their installation videos, for those like me who are 1911 folks who haven't ever torn apart a revolver. I suggest watching the video twice, end-to-end, prior to working on your Ruger. My install was smooth sailing once I noticed the missing cylinder installation step.
My mother in law’s arthritis made pulling the trigger on her .357 almost impossible. Swapped out the springs and now she has no problem at all. Brought tears to her eyes and made her feel much safer and comfortable with her firearm. I am extremely pleased with this product.
I hated my Ruger SP101. It was so hard to pull the trigger consistently. My FFL friend told me there was nothing wrong with the gun. My husband ordered this spring kit for me. I installed the springs using your video as a guide. (It wasn't easy, but I got it.) The revolver now fires beautifully. I love it and I am especially pleased that I was able to fix it myself with your spring kit. (70 yr old female)
Ordered this kit for a new Ruger SP101. Received my order including the polishing kit quickly. DA pull was well over the 12 lb maximum on my Lyman gauge. Watched the video twice and had no trouble disassembling the gun while referring back to the video occasionally on my phone. Polished everything and ended up shimming the hammer .005 on each side. The hammer was ok. The DA pull ended up at a smooth 9.5 lbs and the SA is equally crisp at 3.5 lbs. I realize that this is not as low as the video but it was a very significant improvement to my gun. The video, shipping and customer service have been awesome and are highly recommended. I will be ordering more kits for some of my other guns. Thanks!!
Reduced DA pull on my GP100 from 12 to 7+, SA pull from 7 to 3. Very thorough video and printable instructions which include polishing, general tune-up procedures, very good information.
The trigger and hammer spring kit transformed my Ruger SP 101 to a silky smooth revolver. All the parts were precision and the instructional video was excellent. I had never taken a pistol apart but after following the step-by-step video I now feel like a professional gunsmith. It was actually very fun and satisfying to polish all the internal parts of the gun. The result was an improved pistol and more confident gun owner. Thanks M*CARBO
parts fit perfectly, video was excellent how-to (I didn't polish everything though, only the contact points), my SP101 now has a very smooth, much lighter trigger pull. Well worth the $$ and time. My spouse (with notoriously weak hands and carpal tunnel) even liked the results.
The trigger kit for the SP101 when in very easily with the aid of the video and made a very noticeable difference. Thanks to all the guys at mcarbo for all their support and find products. And thank you for serving our country. If you're looking to smooth out the trigger pull on your double action SP101, this is the product.
Amazing how much better the trigger pull is with my Ruger GP100 22LR after doing a trigger job with the M*CARBO kit. I followed the detail on the web page on how to do it, including adding the shims.
With this kit, a cheap rotary tool plus felt bits, some Flitz polish and the instruction video on MCarbo’s YouTube page, I was able to vastly improve my new GP100’s gritty, tough trigger in a little more than two hours. My thumb slipped off the hammer when I pulled it back after the work was done because I was expecting much more resistance. Would highly recommend to anyone with a new Ruger. Made my revolver go from a gun I’d rather not shoot much to one I’ll always bring with me to the range.
I got a great deal on a 1987 vintage GP100 in 357, and even though it was a great shooter, I wanted to clean up the action and drop the DA pull weight down a bit from its gritty 8.4-pounds. Having already installed Mcarbo parts in many of my guns, the trigger spring kit was a no-brainer. The installation was a bit long, since I also did all the action work as in the video -- and I noted there were quite a few small detail differences between my GP100 and the one used as the example revolver. Still, the parts went in without issue, the rough edges smoothed out, and when it was all done, my DA pull is now a smoooooth 5.8 pounds, and the SA pull dropped to a super crispy 1.8-pound break (from 2.6-pounds before the parts and work). Once again, Mcarbo has come through with a quality kit at a bargain price. thanks!
This is my 3rd MCARBO trigger kit I’ve purchased. It, along with the polishing kit, made an amazing difference in both the DA & SA trigger pull on my SP 101 357 Mag. I also previously purchased kits for my Browning FN Hi Power and my Tikka T-3 with the same awesome results. Would highly recommend these to anyone who appreciates a quality trigger. Also great to know that the company is veteran owned! 🇺🇸
HOLY SCHMOKES!!!! My wheel gun now runs like butter!!! Your instructional video walked me right through the process of disassembling the gun, polishing everything and installing the the new parts!!! The product I received was perfect!!! Thank you so much!!! I could not be more pleased!!! Mark Hughes
Great product and fast delivery. I bought not only the spring kit but also the polishing products . I cant say enough about just how easy it was, especially the video which was a big help . Thank you.
Loved the polishing kit and the shims provided. Worked out well on double action but the single action was still a little stiff. That is to be expected for a rimfire setup to maintain reliable ignition. Overall nice kit and I love the guys at M CARBO. Glad to buy an American product you can be proud of and supporting these guys and gals! Thank you, Chris, and to everyone an M CARBO!