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 GSE Pistol Buffer Recoil Kit
Goosie  [Team Member]
3/15/2011 8:15:35 AM EST

Does this work with a standard BCG and can a Daniel Defense such as this below work with it?


from the look of the buffer I would guess that the rifle end goes into the BCG?
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vermont2nd  [Moderator]
3/15/2011 9:00:07 AM EST
Not being familiar with this set-up, I was completely wrong.



Intelligentsia  [Member]
3/15/2011 9:32:22 AM EST
Originally Posted By vermont2nd:
In that picture, the buffer and spring look backwards in relation to the tube. I have no idea though, just how it looks to me.

ETA: Looking at the pic again, I'm certain of this, as the flanged part (on the spring, closest to the buffer tube in the pic) is a wider diameter than the tube.

ETA2: I believe this is the proper orientation:

http://www.ar15.com/media/viewFile.html?i=27485



The original is correct. The small metal cylinder inserts into the back of the bcg. This is what my PSD has and it's factory stock.
Oh, and yes, I'm pretty sure it works with a standard bcg, at least, I know it fits, but I've never used a different bcg in the psd.
Goosie  [Team Member]
3/15/2011 10:26:16 AM EST
It is a learning experience
vermont2nd  [Moderator]
3/15/2011 10:32:38 AM EST
Originally Posted By Intelligentsia:
Originally Posted By vermont2nd:
In that picture, the buffer and spring look backwards in relation to the tube. I have no idea though, just how it looks to me.

ETA: Looking at the pic again, I'm certain of this, as the flanged part (on the spring, closest to the buffer tube in the pic) is a wider diameter than the tube.

ETA2: I believe this is the proper orientation:

http://www.ar15.com/media/viewFile.html?i=27485



The original is correct. The small metal cylinder inserts into the back of the bcg. This is what my PSD has and it's factory stock.
Oh, and yes, I'm pretty sure it works with a standard bcg, at least, I know it fits, but I've never used a different bcg in the psd.


I stand corrected.
tankdriver  [Team Member]
3/17/2011 2:25:59 PM EST


The simple answer is yes. I have built 3 pistols using the GSE. 2 7" one with a Spike BCG and one with a DMPS. 1 10" with a unknown BCG. All 3 have worked great. By the way as already stated, your photo is the correct one.

muncie21  [Team Member]
3/22/2011 1:18:48 AM EST
Any idea what's different between the GSE Generation 1 and Gen 2 pistol buffer tubes?
Goosie  [Team Member]
3/22/2011 4:29:57 AM EST
from the look of it and this is just speculation, It looks like the Gen 1 fits inside the BCG and on the Gen 2 it looks like there is a BCG with it that is modified to fit inside the spring
GEN I


GEN II


Seems like if you plan to make the pistol into a SBR later Gen 1 is the way to go. The Gen 2 comes with a BCG

GSE Pistol Kits Gen I & II
Goosie  [Team Member]
4/1/2011 4:25:45 PM EST
I have heard rumors of reliability issues with the GSE tube
tankdriver  [Team Member]
4/2/2011 5:03:52 AM EST
Originally Posted By Goosie:
I have heard rumors of reliability issues with the GSE tube


Yep, and I've heard Spikes, Colt, Bravo, Daniel Defense, __________ (fill in blank) stink also......... AND we ALL know if you read it on the Internet it MUST be true.........

All I know is the 3 I have built work correctly. Granted that these are less than 1 year old, and have not had 100s of thousands of rounds through them. I do not know anyone else personally around where I live that has them to compare with, but mine works correctly.
Goosie  [Team Member]
4/2/2011 1:59:41 PM EST
Well I am going to test it out. I would rather try it and know how if fails if it fails then take the word from someone that knew a guy that knew a guy
tankdriver  [Team Member]
4/2/2011 2:41:47 PM EST
Best choice you can make. I was told they did not work, and I have not had any problems with mine.
Goosie  [Team Member]
4/2/2011 5:34:36 PM EST
I am also going to try out the pigtail gas tube. I heard it was a gimmick but i won't know till i try it. It makes perfect sense. longer tube correct pressure= better cycling
iNeXile556  [Team Member]
4/3/2011 7:57:52 AM EST
The pig tail is a gimmick. Please explain how it is going to give you the right pressure. Pressure is determined by the gas port size and volume is determined by the dwell time, that is the amount of barrel past the gas port before the bullet exits the barrel and takes the pressure with it. The longer the barrel after the port, the longer the dwell time, the more volume down the gas tube.

The balance between pressure and dwell time is what provides correct operation. I.E. the size of the gas port and the distance that port is located from the muzzle. The length of the gas tube has no bearing whatsoever.

Normal gas tube = $7
Pig tail = $100

Now you tell me, where is the gimmick?


As far as the GSE buffer, I have tried the first version and found it could be tuned to work with a particular load, but it would not work with a different load without retuning. The version 2 looks interesting as it uses a standard carbine length spring. The length "missing" from the short buffer is made up by the spring end residing in the carrier bore and riding on the special bolt carrier. This may have a good chance of working however I have no personal experience with it. Logic would dictate however that if gen 1 was reliable there would be no need for the gen 2. After all there has been no change to the standard AR buffer assembly since it's original inception, there is no need, it works as is.
Goosie  [Team Member]
4/3/2011 9:15:55 AM EST
well then wouldn't a longer tube make it not work properly?
iNeXile556  [Team Member]
4/3/2011 11:20:43 AM EST
I never said it wouldn't work, I said it won't make any difference in the operation.
So why would you want to spend $100 for a tube that does exactly the same thing as a $7 tube?
I have also heard, though I have no personal experience, that the pig tails are prone to breaking at the turns.
It may be hearsay but I've never heard the same said of a standard tube.

It's your gun and your money, do what makes you feel good.
tankdriver  [Team Member]
4/3/2011 5:03:56 PM EST
There is a difference. As I have stated before, I have built 3 with the GSE. One with Pigtail, and 2 without. You can feel a difference. Not saying it's better, not saying it's worse, just it has a different feel. Anybody who want to prove it to themselves let me know come by and we'll go shooting. I use Remington Commercial, and Military Nato rounds when setting up my GSE. I figured that was about as opposite ends as I could get., as I will not use steel cased ammo in mine. Both worked fine in cycling.

Here is a link to the post where I go over building mine........

LINK
Goosie  [Team Member]
4/4/2011 4:11:32 AM EST
Tank i read you post top to bottom. With all that being said seeming you went the same route that i am planning on taking for my first pistol build your opinion weighs very high on my chart. You speak from experience and not hear say. So are you still running a pigtail or did you switch to a regular pigtail?
tankdriver  [Team Member]
4/4/2011 4:55:57 AM EST
Yep, still have the pigtail and have had no problems with it. But remember, mine is only about 7 months old, and has has only had about 500 or so rounds through it. So it could fall apart in the next 100 rounds. I'm not saying that anyone else is wrong, just that in my case, both the pigtail, and 3 GSEs have done well. One GSE and pigtail on mine and 2 GSEs on others. One being the owner's son of where I work. So I know if there was a problem with his, I would have heard about it.
Goosie  [Team Member]
4/4/2011 5:09:52 AM EST
well I am trying mine out on another debatable thing.... A Carbon 15 from bushmaster upper and lower. So according to everyone else on here the weapon shouldn't function or should break because of the carbon lower not being strong enough or the GSE not working or the pigtail breaking. So now I am even more determined to put the thing together just to get it up in pictures and give the range report. So keep an I out for the build over time in the build thread
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