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AR15.COM
1/29/2010 8:39:01 AM EDT
Will the Gen4 barrel be interchangeable with a Gen3 Barrel.

In other words when the G23 comes out can I drop my Gen3 .357Sig barrel in it and rock and roll?
1/29/2010 12:02:31 PM EDT
[#1]
No one knows??? No one has a Gen4 they can look in and see if where the guide rod sits a Gen3 barrel will work?
1/29/2010 3:02:14 PM EDT
[#2]
Just guessing.....but everything I have seen say that the barrel and guide rod/spring assembly are not interchangable from 3 to 4 or vice versa.
1/29/2010 3:05:43 PM EDT
[#3]
Word is Glock went full-retard and made the GEN4 barrel proprietary as well.

1/29/2010 3:42:13 PM EDT
[#4]




Quoted:

Word is Glock went full-retard and made the GEN4 barrel proprietary as well.


So far what I'm reading indicates this also.



Not sure if the locking lugs and locking block are different, or if it's just the "cutout" on the bottom for the recoil spring assembly though.

1/29/2010 7:21:31 PM EDT
[#5]
I have a Gen 4 In my store but have not checked this out. I can let you know Monday.
1/29/2010 7:58:02 PM EDT
[#6]



Quoted:


I have a Gen 4 In my store but have not checked this out. I can let you know Monday.


Excellent!




 
1/30/2010 1:21:46 AM EDT
[#7]
Quoted:
I have a Gen 4 In my store but have not checked this out. I can let you know Monday.


Would be very interested to know.

And while we're at it, has anyone with a Gen4 and an appropriately sized (full size right now) AA kit put the AA on the Gen4 to see if it worked?
2/17/2010 6:32:01 AM EDT
[#8]
Quoted:
I have a Gen 4 In my store but have not checked this out. I can let you know Monday.


So what's the word?  Are Gen 3 and Gen 4 barrels interchangeable?

2/17/2010 6:46:39 AM EDT
[#9]
I compared mine, and there are a few minor differences.  Frankly, its too close to call IMHO.

Until someone tries it, not gonna be able to tell, and I'm NOT gonna do it.

A remember reading that a reputable aftermarket barrel maker stated that their barrels would work in either gen 3 or gen 4 frames and slides....so take that for what its worth.
2/17/2010 8:52:05 AM EDT
[#10]
Quoted:

Not sure if the locking lugs and locking block are different, or if it's just the "cutout" on the bottom for the recoil spring assembly though.


So then it has been estblished that the compact Gen 4's use the dual recoil spring setup just like the full sized ones?
2/17/2010 8:32:07 PM EDT
[#11]
somebody posted on here recently that the LWD barrels would work on either the Gen 4 or 3 models..........he also posted an email.......from the barrel seller that they would.........this tells me that the barrel would use the recoil spring assembly from the Gen 4 when using the barrel and this assembly is not interchangable with the gen3...............thus making the barrels interchangable............
3/5/2010 12:20:23 PM EDT
[#12]
Ok, I was able to check out my BIL's new G17 Gen 4...my Lone Wolf threaded 9mm barrel dropped into it with no problems whatsoever

So fellas, I think we are GTG with Lone Wolf barrels in the Glock Gen 4
3/5/2010 4:05:55 PM EDT
[#13]
I already posted this, but many must have missed it, so I will say it again.

I have a Gen 4 G17, and my BIL has a Gen 3 G17. I compared the barrels, and other than the new grey finish on the Gen 4's barrel, they are exactly the same.

The Gen 3 barrel dropped right in and functioned in my Gen 4, and vice versa.

I'd post pictures to prove it, but I don't have the Gen 3 G17 handy right now since it belongs to my BIL. Maybe the next time he comes to visit I can get some pics.