lucas Posted September 12, 2015 Share Posted September 12, 2015 I tried to replace my stock 2011 guide rod with a 2011 tungsten rod ,which locked up the gun emmediately. I then payed more attention to the instructions and discovered the button on the new guide was in contact with the barrel feet. I then more closely inspected the button of my original guide and noticed the button had been ground down, about 1/3 from the bottom up ,at an angle. I put the stock rod back in and closely inspected it. The button where it was angled looked to me to still be in contact with the barrel feet, if only barely, but I noticed the little legs on the guide rod that rest on the barrel were as far back to the barrel feet as possible and not the case with the tungsten rod . With the tungsten rod ,not only was it clearly apparent the button was in contact with the barrel feet but there was a noticeable gap between the legs and barrel feet. This told me I need to mimick what was done to my original rod to my new tungsten rod. I hope that is correct, because I am almost done grinding on the button. My gun is custom made by a popular builder but yet they had to alter a stock STI guide rod for the gun to function? Is this normal ? Link to comment Share on other sites More sharing options...
echotango Posted September 12, 2015 Share Posted September 12, 2015 (edited) Yes, you need to grind/file like your original one. I've had to fit all new gr's (tungsten, aluminun, steel). Edited September 12, 2015 by echotango Link to comment Share on other sites More sharing options...
cactusbrew Posted September 13, 2015 Share Posted September 13, 2015 Ah the world of the 2011, where everything needs custom fit. Seriously though, look where it needs fit, slowly remove material, check fit, rinse and repeat. Link to comment Share on other sites More sharing options...
BoyGlock Posted September 13, 2015 Share Posted September 13, 2015 I had the same problem in one of my Open 2011s but it fits on the other one so I used it on the other one and used the other's TG on the first. Link to comment Share on other sites More sharing options...
sauza45 Posted September 13, 2015 Share Posted September 13, 2015 The factory sti guide rods comes ground that way. Other rods do not, you will need to grind them to match. Link to comment Share on other sites More sharing options...
lucas Posted September 13, 2015 Author Share Posted September 13, 2015 The factory sti guide rods comes ground that way. Other rods do not, you will need to grind them to match. The tungsten guide was advertised for STI with the smaller button, so why wasn't it also ground? Link to comment Share on other sites More sharing options...
echotango Posted September 13, 2015 Share Posted September 13, 2015 (edited) It has a smaller head button to fit an sti frame. Still requires minor fitting as with 99% of 2011 parts. Edited September 13, 2015 by echotango Link to comment Share on other sites More sharing options...
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