EmergencyDad Posted October 13, 2016 Share Posted October 13, 2016 Just picked up a Nitro Fin for Infinity 5" Sight Tracker. Installed with no problem or fitting required and tested slide function before live fire test. All runs fine EXCEPT when I manually lock slide open. Slide release is very difficult to operate and slide feels like it is dragging the first time I rack it after getting it to release. After racking slide once, it feels like it goes back to running smoothly. I have looked at the Nitro Fin but can't seem to find where it's making contact. For anyone who's had to do fitting on one of these, where do you usually have to polish and/or remove material? Is this something I should be concerned about, as I don't want to screw up an SVI with a $100 part. Thanks for any advice. Link to comment Share on other sites More sharing options...
kk4364 Posted October 13, 2016 Share Posted October 13, 2016 Check tge width of tge gap on the nitro fin and compare it to factory. I had to open the nitro fin up a bit with a small file . Thanks Kevin Link to comment Share on other sites More sharing options...
EmergencyDad Posted October 14, 2016 Author Share Posted October 14, 2016 Thanks Kevin Link to comment Share on other sites More sharing options...
Blammo Posted October 14, 2016 Share Posted October 14, 2016 (edited) Is the mag follower going over the slide stop? Make sure an empty mag falls free. My svi follower went around it and the mag got stuck. Edited October 14, 2016 by Blammo Link to comment Share on other sites More sharing options...
EmergencyDad Posted October 14, 2016 Author Share Posted October 14, 2016 It was happening without a mag but I'll check that too when I get home. Thanks. Link to comment Share on other sites More sharing options...
Blammo Posted October 21, 2016 Share Posted October 21, 2016 What was the verdict? Link to comment Share on other sites More sharing options...
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