I'm installing a drop in trigger in a Saint pistol but something doesn't seem right. When installing it the trigger pins move freely, as you tighten up the screws the trigger pushes up against the trigger pins and back of the trigger pushes up against the safety, once you tighten against these you tighten the set screws. After installing the trigger the safety doesn't flip back and forth from safe to fire freely (when I say freely I mean that it doesn't flip from one side to the other as it did previously, you have to push it through the rotation). I have another rifle with a drop-in trigger that was installed prior to my purchase and it doesn't do this, however when I look at the design of the trigger I don't see how the design would not cause problems as it pushes up on the safety lever with pressure?
Drop in trigger help
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Trevillian
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Which trigger?
Trevillian
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I guess I’m not understanding what screws your tightening? I don’t see threaded holes in the bottom of the housing that would cause upward pressure/movement enough to interfere with the safely. Are you referring to anti walk pins? Pins with threaded ends you put screws in to prevent said pins from coming out? I just see one screw at the front of that trigger shoe.
Not familiar with that maker. But now I must learn
Oh, yes there is certainly a problem if it’s making contact with the safety enough to cause friction.. I’m not a smith nor did I use a holiday inn. But I recall all of the dozens I’ve played with having the barest minimum of travel then physically contact the safety on safe..
Does the trigger function check other than dragging the safety?
Everything works fine except for the trigger dragging the safety.
The trigger drops in is one solid unit and then the two little screws you can are tightened from the top and press against the inside of the lower and cause a whole trigger assembly push-up and lock the trigger pins (traditional trigger pins) and place. Then there are two more screws that go in on top of the other two to lock them in place.
The trigger drops in is one solid unit and then the two little screws you can are tightened from the top and press against the inside of the lower and cause a whole trigger assembly push-up and lock the trigger pins (traditional trigger pins) and place. Then there are two more screws that go in on top of the other two to lock them in place.
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Trevillian
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Just checked out their site. That’s a weird way to prevent trigger pin walk imo, but anyway.
Either there is a tolerance issue (pin holes to high, pins to small, out of spec trigger body, out of spec trigger “tail”, safety out of spec, etc) tolerance stacking just enough on all of this to cause an issue.
Or it was mis installed. If it were me I’d reinstall the assembly. Ensure the detention pin isn’t upside down or spring bound up. Make sure nothing wonky has happened during install. I’ve done things like this so not blaming you
If it is the same. It’s a tolerance stacking issue or some out of spec enough to cause a problem. I’d then try different safeties and trigger pins and recheck, but I’ve got a bin of spares lol. If not either the trigger is out or the lower is.
Either there is a tolerance issue (pin holes to high, pins to small, out of spec trigger body, out of spec trigger “tail”, safety out of spec, etc) tolerance stacking just enough on all of this to cause an issue.
Or it was mis installed. If it were me I’d reinstall the assembly. Ensure the detention pin isn’t upside down or spring bound up. Make sure nothing wonky has happened during install. I’ve done things like this so not blaming you
If it is the same. It’s a tolerance stacking issue or some out of spec enough to cause a problem. I’d then try different safeties and trigger pins and recheck, but I’ve got a bin of spares lol. If not either the trigger is out or the lower is.
Trevillian
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Thanks for the help. I've installed and reinstalled it too many times to count figuring it was my screw up in the first place lol, but I always get the same thing. However I didn't think about trying another safety out of the parts bin. I'll dig around and try that tonight.
Trevillian
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Or another set of pins. Or safety and pins lol. If that doesn’t help I’d contact the maker. As at that point imo which isn’t worth anything btw. The trigger or the lower are out of spec.
Curious, does the safety interefere at all in “fire”. Should be plenty of clearance I’m sure. Maybe even see a burr or machining mark on trigger “tail” or safety causing the contact.
Good luck.
The trigger and safety operate as they should. I'll play around with some different parts tonight and if no luck I'll reach out to the vendor. Thank you again. I was hoping someone may have had the same problem before and that I'd done something wrong, that's so much easier to fix than an out of spec part.