Shooter94 Posted September 26, 2016 Share Posted September 26, 2016 Just got my STI Trubor and started loading this week and shot some today as I shot about 100 rounds this week looking for a load and worked up to 7.4 grains of power pistol with a 124 gr hornaday fmj bullet seated out to 1.155. As I was practicing today with my new gun it locked back and the slide was stuck but not too tight but the guide Rod was snug to the compensator. Has anyone had this problem or know if I have too much powder or what would cause this? Any input is very appreciatited Link to comment Share on other sites More sharing options...
lightfighter363 Posted September 29, 2016 Share Posted September 29, 2016 Looks like you have too much powder. i am not sure on this but the trubor comp is not that heavy duty compare to others like DVC or Match master. Link to comment Share on other sites More sharing options...
jetjocky Posted September 29, 2016 Share Posted September 29, 2016 what does 7.4gn of PP chrono at? Link to comment Share on other sites More sharing options...
MrPostman Posted September 29, 2016 Share Posted September 29, 2016 It's a new gun so the slide to frame fit should be tight. Too much powder would not cause the problem you are having. My 2011 open gun would lock back prematurely until I put a detent in the slide stop lever with the appropriate sized drill bit, now it only locks back when I push the slide lock up with my thumb. As far as your guide rod being flush with the comp with the slide all the way back, that is not normal and you may have a problem with the end of the rod slipping off of the bottom barrel lug, that would jam the gun up. Link to comment Share on other sites More sharing options...
Shooter94 Posted September 29, 2016 Author Share Posted September 29, 2016 Changed my load to auto comp and shot it some last night and had absolutelyno problems what so ever thanks for all the advise and I think I'm really going to like my new open gun. Link to comment Share on other sites More sharing options...
Dchassejr Posted September 29, 2016 Share Posted September 29, 2016 Are you running 9 major? 7.4 of WAC is a little on the hot side. Have you chrono'd yet? Link to comment Share on other sites More sharing options...
Shooter94 Posted September 29, 2016 Author Share Posted September 29, 2016 Not shooting 7.4 of auto comp haven't decided between 6.6 or 6.7 Link to comment Share on other sites More sharing options...
Bkreutz Posted September 29, 2016 Share Posted September 29, 2016 6.8 of AC gives me 172 PF with a 124 bullet, 5" barrel, no popple holes. (1.165") Link to comment Share on other sites More sharing options...
Hi-Power Jack Posted September 30, 2016 Share Posted September 30, 2016 13 hours ago, Shooter94 said: Not shooting 7.4 of auto comp haven't decided between 6.6 or 6.7 Doubt you'll get to Major at 6.7 - might be close, though. Link to comment Share on other sites More sharing options...
Shooter94 Posted September 30, 2016 Author Share Posted September 30, 2016 Made major at 6.6 over 2 different chronographs Link to comment Share on other sites More sharing options...
theWacoKid Posted October 4, 2016 Share Posted October 4, 2016 On 9/30/2016 at 6:46 AM, Hi-Power Jack said: Doubt you'll get to Major at 6.7 - might be close, though. With the new stuff, I bet you will. With 124's I was 173 pf with 6.8 gr in a gun with 3 small holes and was 177 pf with 7.0 gr in a gun with no holes. Link to comment Share on other sites More sharing options...
Hi-Power Jack Posted October 4, 2016 Share Posted October 4, 2016 Good to know ... Didn't realize there's "new stuff" . After I use up my 4 year old supply of WAC, I'll be sure to check out the velocity of the new WAC. Thanks for sharing. Link to comment Share on other sites More sharing options...
theWacoKid Posted October 4, 2016 Share Posted October 4, 2016 No problem. I had no intention of making 177 pf loads with it, but I sure did. Link to comment Share on other sites More sharing options...
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