Tubguy Posted February 3, 2014 Share Posted February 3, 2014 I have a STI Edge 2011 40SW. I have owned the gun for 3 months. I bought it to shoot USPSA limited. I've been dry firing 100x's a day with no mag. So today I decide that I should have a full mag in the gun for the increased weight. Loaded up 20 rounds NO PRIMERS OR POWDER. First thing I noticed besides the additional weight was the trigger pull weight changed. No mag 10 pull average 4# 3.7 With full mag installed in gun 10 pull average 6# 1.0 Is this normal? Quote Link to comment Share on other sites More sharing options...
Steve RA Posted February 3, 2014 Share Posted February 3, 2014 No, the trigger bow is probably dragging on the magazine. Quote Link to comment Share on other sites More sharing options...
Ddipert Posted February 3, 2014 Share Posted February 3, 2014 My sti edge does not change trigger pull weight loaded vs unloaded. Is you trigger bow rubbing on the mag? Have you checked with a different mag? Other than rubbing on the mag don't understand what else it could be. Quote Link to comment Share on other sites More sharing options...
HI5-O Posted February 3, 2014 Share Posted February 3, 2014 Not normal. I think there was a similar post as yours recently. Sounds like your trigger bow or something with your trigger is dragging on/against the mag. Quote Link to comment Share on other sites More sharing options...
ak_tech Posted February 3, 2014 Share Posted February 3, 2014 I have had this issue before and as others have suggested the trigger bow was rubbing against magazine. Good luck. Quote Link to comment Share on other sites More sharing options...
Sarge Posted February 3, 2014 Share Posted February 3, 2014 And be careful just trying to bend it out in the garage. Bent too much in the wrong places it can actually pull the trigger when you insert a mag. Saw that happen on an indoor range and it's quite an eye opener to how these things work. Quote Link to comment Share on other sites More sharing options...
Tubguy Posted February 3, 2014 Author Share Posted February 3, 2014 Thanks Guys It's only doing it on one mag. The other three are fine. Getting out calipers and see what's going on! Quote Link to comment Share on other sites More sharing options...
Ross Carter Posted February 3, 2014 Share Posted February 3, 2014 I was going to say check all your grip frame screws but since you have it narrowed down to one magazine, probably wouldn't hurt anyway. When we push the capacity on our mags they can really expand more than you think make sure it's not cracked. It usually takes filing and sanding on the trigger bow to get more clearance and that can be a frustrating tricky job. Quote Link to comment Share on other sites More sharing options...
DRichardson Posted February 3, 2014 Share Posted February 3, 2014 Is it a factory or aftermarket trigger? Quote Link to comment Share on other sites More sharing options...
troupe Posted February 4, 2014 Share Posted February 4, 2014 I agree. The most common problem will be a out of spec mag, a little to wide. Polish the bow before you do any bending first. If the grip has been removed, make sure it is square when it has been re-installed. Tommy Roupe Quote Link to comment Share on other sites More sharing options...
mumzer Posted February 5, 2014 Share Posted February 5, 2014 same problem here. it is with a single 125mm mag and occurs with or without rounds. the sensation is really strange...almost as the same weird feeling you get when the sear leg of the sear spring gets stuck under the trigger bar. there were no obvious anomalies with the single mag's width. checking OAL now and will get back to you. Quote Link to comment Share on other sites More sharing options...
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