I've searched this site and other sites for any info on the topic to no avail. Most posters who bring it up are told their finger is either getting pinched between trigger & trigger guard, or is abraided by serrations on the trigger face.
My experience is nothing like the above. I can actually feel the familiar sting on my finger when I pull the trigger on my Norinco. And by "familiar" I mean SAR-1 trigger slap.
Here's what I think: First of all, my trigger has a heavy return, even before the sear comes into play. But the trigger has no return spring of its own and rests against the disconnector which does have the middle leaf of the sear spring on it. When I dry fire, there is absolutely no slap. But when I fire a live round, what I think happens is that as the slide moves back, it plunges the disconnector downward, wedging deeper between the trigger and the spring. This of course instantly increases the spring pressure on the trigger, driving it forward. Compress this action within the fraction of a second and it will feel like a slap.
I've considered recoil, as in the case of rounds being pressed against the forward wall of the magazines when the frame moves backward, but the trigger simply has not enough mass to slap the way I feel it.
I'll take a look at this tomorrow.
Thoughts?
My experience is nothing like the above. I can actually feel the familiar sting on my finger when I pull the trigger on my Norinco. And by "familiar" I mean SAR-1 trigger slap.
Here's what I think: First of all, my trigger has a heavy return, even before the sear comes into play. But the trigger has no return spring of its own and rests against the disconnector which does have the middle leaf of the sear spring on it. When I dry fire, there is absolutely no slap. But when I fire a live round, what I think happens is that as the slide moves back, it plunges the disconnector downward, wedging deeper between the trigger and the spring. This of course instantly increases the spring pressure on the trigger, driving it forward. Compress this action within the fraction of a second and it will feel like a slap.
I've considered recoil, as in the case of rounds being pressed against the forward wall of the magazines when the frame moves backward, but the trigger simply has not enough mass to slap the way I feel it.
I'll take a look at this tomorrow.
Thoughts?