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GEN 3 TRIGGER IN GEN 4?

2K views 10 replies 6 participants last post by  Tzi-Oxphon 
#1 ·
Has anyone done this? I put a gen 3 in my gen 4 Glock 19 this afternoon. Any reason why it will not run just fine?
 
#3 ·
It will behave exactly like the Gen4 trigger bar, as long as you do NOT have the Gen4 pistol magazine catch configured on the right side of the grip. The Gen4 trigger bar bump is required in that case, because the right-side magazine catch tends to twist the top right side of the magazine into contact with the left side of the trigger bar. Without the bump, the trigger bar's firing pin safety arm can misalign too far to the right for reliable operation of the firing pin safety...i.e. the pistol may not fire when the trigger is pulled.

If you are installing a Gen3 trigger bar that is more than about five years old, it may not have the improved attachment point for the coil trigger spring hook. All Gen4 and later Gen3 trigger bars have that improvement, which reduces the possibility of coil trigger spring hook failure...the most common part that breaks on Glock pistols. If the Gen3 TB doesn't look like the Gen4 TB where the trigger spring attaches, then you should buy a current Gen3 trigger bar.

All the long-running talk about the evil Gen4 trigger bar bump is based on rumor and BS. I've put Gen3 TBs in Gen4 pistols, and Gen4 TBs in Gen3 pistols, but I've never measured any significant change in trigger pull that resulted. Except for a very few early G20s in 1990, all generations of 10mm, .45ACP, and .45GAP Glocks have had that same trigger bar bump for 27 years. Seldom is there any stink and internet rumor generated about those TB bumps. Never underestimate the power of suggestion when it comes to that evil Gen4 TB bump. :)
 
#6 ·
I for one, do not understand why anyone would do this. I find the trigger pull on new Gen4's to be better then the earlier Gens. The "." connector seems to be the best Glock has done yet, IMHO. At least for the Gen4's. I sold all my earlier Gen3's to convert to Gen4's across the board. Better trigger pull and sear break(at least to me), and better grip fit w/o any grip spacers. I also like the new Gen4 grip surface.
 
#7 ·
I believe is a matter of personal preference, there are a lot of variables in the Glock triggers. I can use the Glock factory trigger just fine, my advice to new Glock owners in general is gain skill and really know what you are doing before changing anything (mods). 99.9% of people are not capable of running a Glock to its full potential in stock configuration.
 
#8 ·
venenoindy; You said it, Bro. My sentiments exactly. Thanks.
 
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#10 ·
... 99.9% of people are not capable of running a Glock to its full potential in stock configuration.
I believe the opposite...almost everyone is capable of running a Glock to its full potential in stock configuration.

It's that very common misbegotten belief that some set of magical aftermarket gimmicks are required to make a Glock minimally serviceable. That has many clueless folks installing harmful gee-gaws and doo-dads on pistols that beforehand HAD been magnificently reliable service-tested weapons.
 
#11 ·
I can shoot, I just wanted a smooth faced trigger. Why would it come down to my shooting? I am a Glock armor but I do not know everything. I am retired POLICE but that does not mean anything. I just wanted to know if they would work and I appreciate the replies. I shoot the 19 in CCP. I carry a gen 3 26 edc.
 
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