Seekins Posted February 20, 2011 Share Posted February 20, 2011 I am in the middle op building a STI 2011 and am having troubles with the sear spring. The one i have is a STI for a 2011 and I am using a Extreme Engineering Trigger Kit. The spring does not ride high enough on the sear and eventually slips off and goes underneath. Is it possible i got the wrong spring or am i missing something? when the spring is where it should be i have a very nice feeling and perfectly functioning trigger assembly. Any help would be appreciated. This will be my first 2011, first pistol build and i thank everyone for all the info. All i have left is to cut the frame for the nowlin ramp, fit the barrel and finish all the parts. STI 2011 Frame 5.0" Long, Wide, STI Slide .40/10mm 5 " Unique Bomar Rear Sight Schuemann 5" bull ultimatch 5" (Wilson/Nowlin) Aftec Advanced Competition Extractor (.40 S&W 10mm) Extreme Ultimate Trigger Kit-Lite Speed STI Strut STI Sear Spring Ed Brown Memory Groove Beavertail Grip Safety Ed Brown Wide Ambi Thumb Safety STI Firing Pin- Titanium STI Firing Pin Stop STI Main spring STI Plunger Return spring Ed Brown Slide Stop STI Recoil Master STI Ejector STI Pin Set - 2011 ISMI Firing Pin Spring STI Magwell EGW Link Set EGW Link Pin Link to comment Share on other sites More sharing options...
Braxton1 Posted February 21, 2011 Share Posted February 21, 2011 I'd just change it out to another one, maybe from a different manufacturer. Perhaps a mistake was made on that one and it wasn't caught. Link to comment Share on other sites More sharing options...
Julien Boit Posted February 21, 2011 Share Posted February 21, 2011 Maybe your spring is not wide enough, slips to the left side and goes under the sear. I've seen it a lot ! Take a SV titanium sear spring and you should be good to go. They are wider and can not slip. Link to comment Share on other sites More sharing options...
Matt Cheely Posted February 21, 2011 Share Posted February 21, 2011 I use a Nowlin or EGW sear spring. Use a punch and peen out the corners at the bottom of the spring to fit the grip better and not allow it to shift side to side. Link to comment Share on other sites More sharing options...
RBros Posted February 21, 2011 Share Posted February 21, 2011 Glen, I had the same problem with an egw sear spring. Switched it out with an sti spring and it worked fine. The two were definitely different. Link to comment Share on other sites More sharing options...
TonyG35 Posted February 22, 2011 Share Posted February 22, 2011 I used the Brazos spring with the same kit and it works with no issues. http://www.1911store.com/searspringbcg.aspx Link to comment Share on other sites More sharing options...
Seekins Posted February 22, 2011 Author Share Posted February 22, 2011 (edited) I have another STI spring on the way. I am told all STI's use the same sear spring so im not sure why mine didn't work. Im just special i guess. Thanks for the tip, I will make sure the spring fits snug.. Edited February 22, 2011 by Seekins Link to comment Share on other sites More sharing options...
Mat Price Posted February 26, 2011 Share Posted February 26, 2011 I had the same issue with an apeiro when changing out the trigger. I had to reshape the trigger bow just a little. mine would work fine would not slip off the sear but as soon as i put in a mag, first pull after that would not reset the trigger and no half cock. a little reshape on the spring and a little reshape on the bow runs 100% now. Mat Link to comment Share on other sites More sharing options...
Seekins Posted February 27, 2011 Author Share Posted February 27, 2011 I got another STI spring, same as i had before and its working like it should. The first one must have been just a hair short. Thanks, Glen Link to comment Share on other sites More sharing options...
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