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This will be a lengthy post, but the CG's community's help would be fantastic.
Went to the range today with a girlfriend of mine who is active duty Navy and shoots often (and is a confident shooter). I brought my Beretta 92FS that I had installed the Langdon Tactical NP3 Trigger system + full internal parts replacement in, as well as a custom fabricated flat-faced trigger (which I have another thread about). The LTT kit with the NP3 coating makes this gun run extremely smooth and it has a very short reset. I hadn't shot the gun since I installed it as they didn't include a safety lever roll pin and I couldn't attach it for a few weeks so this was my first day at the range after the install.
Disclosure: I function checked this gun multiple times before going to the range and everything was in order. The reset was short, tactile and very sharp.
At the range, I wanted to shoot first to make sure everything was running as expected before I handed my friend a gun I worked on and set the pistol down with the slide back and no magazine in the gun so she could come up and load a magazine and safely shoot.
As she's shooting, I'm back against the wall on the bench reloading the magazine I just emptied and hear a pop-pop and the RO taps me and points to her, her eyes are wide O_O and I was confused, then the person in the booth next to my friend says "we fired at the same time!". So I nodded my head and kept reloading. My friend (clearly knew something was up) but kept shooting and this time I heard pop-pop-pop and I looked up and the RO was talking to her. My gun was burst firing.
Now, when I went through my first 10 rounds the reset was extremely short and trigger pull was light (which I expected out of the LTT NP3 coated parts). I did not experience a burst fire. There was another RO there instructing someone a few lanes over who also came over to see what was going on. I explained the LTT kit, my flat faced trigger and he function checked the gun and asked me to shoot another magazine through. I went through the second magazine and this time I did get a two-round burst fire. So, I emptied my remaining magazines into boxes and started racking my brain as to what would be causing this.
On the range bench I pulled my gun apart, took my trigger out, put the stock trigger back in with the stock trigger reset spring. The reset was a lot stiffer and more tactile instantly. I shot a 10-rd magazine through the gun with no burst fire and then handed the gun to my friend who again shot a few rounds and then experienced a burst of two rounds. We put the gun away at this point and plinked away with my Sig Mosquito which if anyone is wondering, is the best malfunction training machine.
Once we were done and back in the lobby I went to speak to the RO who was giving the lesson as he left before I put the stock trigger back in to test. Another gentleman was behind the counter the RO(who was giving the lesson) referred to as a "beretta guy" and said he should inspect my gun. He looked at it and went to put a few magazines through it to test the function. He came back and he said "there's nothing wrong with the gun, I was able to induce a burst fire, but it was my fault as I was creeping the reset." He likened the LTT NP3 kit to giving a 16yr old who just got their license a ferrari and said that it is a very custom and highly tuned system. But in the end felt that it was not a malfunction, but user induced.
So I'm home now, and wondering what the f*** I should do about this. Part of me doesn't want to experience this again and I want to send the kit back to LTT. Part of me is wondering if while I was doing all the custom flat faced trigger fitting if I didn't wear the sh** out of my trigger reset spring causing it to be so weak that inducing a "bump style" burst fire with a handgun is possible. Part of me is wondering if I need to simply stick the stock sear spring back into the gun and it will solve this issue...part of me is wondering if there's something wrong with the fitiment of the kit and I need the gun to be inspected and tested by a local gunsmith.
What does the CalGuns community think is the issue here, what is causing a burst fire? Please keep it professional and thank you for listening/your help.
Went to the range today with a girlfriend of mine who is active duty Navy and shoots often (and is a confident shooter). I brought my Beretta 92FS that I had installed the Langdon Tactical NP3 Trigger system + full internal parts replacement in, as well as a custom fabricated flat-faced trigger (which I have another thread about). The LTT kit with the NP3 coating makes this gun run extremely smooth and it has a very short reset. I hadn't shot the gun since I installed it as they didn't include a safety lever roll pin and I couldn't attach it for a few weeks so this was my first day at the range after the install.
Disclosure: I function checked this gun multiple times before going to the range and everything was in order. The reset was short, tactile and very sharp.
At the range, I wanted to shoot first to make sure everything was running as expected before I handed my friend a gun I worked on and set the pistol down with the slide back and no magazine in the gun so she could come up and load a magazine and safely shoot.
As she's shooting, I'm back against the wall on the bench reloading the magazine I just emptied and hear a pop-pop and the RO taps me and points to her, her eyes are wide O_O and I was confused, then the person in the booth next to my friend says "we fired at the same time!". So I nodded my head and kept reloading. My friend (clearly knew something was up) but kept shooting and this time I heard pop-pop-pop and I looked up and the RO was talking to her. My gun was burst firing.
Now, when I went through my first 10 rounds the reset was extremely short and trigger pull was light (which I expected out of the LTT NP3 coated parts). I did not experience a burst fire. There was another RO there instructing someone a few lanes over who also came over to see what was going on. I explained the LTT kit, my flat faced trigger and he function checked the gun and asked me to shoot another magazine through. I went through the second magazine and this time I did get a two-round burst fire. So, I emptied my remaining magazines into boxes and started racking my brain as to what would be causing this.
On the range bench I pulled my gun apart, took my trigger out, put the stock trigger back in with the stock trigger reset spring. The reset was a lot stiffer and more tactile instantly. I shot a 10-rd magazine through the gun with no burst fire and then handed the gun to my friend who again shot a few rounds and then experienced a burst of two rounds. We put the gun away at this point and plinked away with my Sig Mosquito which if anyone is wondering, is the best malfunction training machine.
Once we were done and back in the lobby I went to speak to the RO who was giving the lesson as he left before I put the stock trigger back in to test. Another gentleman was behind the counter the RO(who was giving the lesson) referred to as a "beretta guy" and said he should inspect my gun. He looked at it and went to put a few magazines through it to test the function. He came back and he said "there's nothing wrong with the gun, I was able to induce a burst fire, but it was my fault as I was creeping the reset." He likened the LTT NP3 kit to giving a 16yr old who just got their license a ferrari and said that it is a very custom and highly tuned system. But in the end felt that it was not a malfunction, but user induced.
So I'm home now, and wondering what the f*** I should do about this. Part of me doesn't want to experience this again and I want to send the kit back to LTT. Part of me is wondering if while I was doing all the custom flat faced trigger fitting if I didn't wear the sh** out of my trigger reset spring causing it to be so weak that inducing a "bump style" burst fire with a handgun is possible. Part of me is wondering if I need to simply stick the stock sear spring back into the gun and it will solve this issue...part of me is wondering if there's something wrong with the fitiment of the kit and I need the gun to be inspected and tested by a local gunsmith.
What does the CalGuns community think is the issue here, what is causing a burst fire? Please keep it professional and thank you for listening/your help.
Be safe gentleman, always!
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