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5/1/2008 8:14:28 PM EDT
If building a retro type conversion to 22lr the recoil buffer can be removed I'm a thinking.
The Ciener carrier does not move, and the bolt has its own spring.
Hope I didnt just ask a real stupid question, but I cant see the reason to retain the buffer.
I've spent some time looking and thinking about this all day, and cant imagine how the buffer would do any thing.......
God I hope this aint a stupid question        :O)
5/1/2008 9:00:02 PM EDT
[#1]
There is no need for the buffer or buffer spring with a Ciener conversion installed.  
5/1/2008 9:54:11 PM EDT
[#2]
Are you sure this is true, not to doubt?  I can't find my Ceiner kit, I think the house ate it, but what keeps the Ceiner carrier from moving back into the buffer tube, if not the buffer/spring?
5/2/2008 3:23:28 AM EDT
[#3]
How do you "charge" the Ciener kit anyway??? Chamber a round, I mean...  

If the BC/CH don't move, what pushes the first round into the chamber???  
5/2/2008 3:32:21 AM EDT
[#4]
The Army M261 conversion kit requires that the buffer and spring remain installed. The buffer and spring are what keeps the conversion kit in place. I’m almost sure the Ciener kit operates the same.

5/2/2008 3:52:16 AM EDT
[#5]

Quoted:
The Army M261 conversion kit requires that the buffer and spring remain installed. The buffer and spring are what keeps the conversion kit in place. I’m almost sure the Ciener kit operates the same.

img.photobucket.com/albums/v489/Metroliner/M2612Sm.jpg


hate to disagree with you QUIB but...

that block and peice of spring steel where the back of the recoil spring seats is what keeps m261 in place
5/2/2008 3:55:16 AM EDT
[#6]
Well I’ll have to disagree right back. That pic happens to be the kit I ran in my Sons AR for over two years. If the buffer and spring are not installed the kit will slide back into the buffer tube.

5/2/2008 3:58:52 AM EDT
[#7]
if you install that kit without the charging handle in place you will be able to see the the block and spring at the back of the unit fill the charge handle slot so it can not go back into the lower receiver
5/2/2008 4:08:03 AM EDT
[#8]
I no longer have the kit. So with out physically having it here I can not verify whether your correct or not. The M261 TM does not state anything either way regarding the buffer and spring.

If I’m wrong then I stand corrected.


ETA: It’s been two years since I sold the M261. But from looking at what pics I have saved, and now that I think about it, I believe you are correct. Once again, I stand corrected, and apologize if I put out false information.

5/2/2008 4:30:45 AM EDT
[#9]
Just to clarify my somewhat crappy explanation I took a couple pics.

I only have the m261 but I imagine all the kits work pretty much the same way.






sorry 'bout the size of the pics but photobucket is having difficulty resizing today

QUIB we all have those days!
I just happen to have mine laying right in front of me at the moment
5/2/2008 4:40:42 AM EDT
[#10]
Excellent pics. Again, I stand corrected. Thanks for squaring me away.  

Now, should I brew another 4 cups of black tea before posting again?  
5/2/2008 4:44:17 AM EDT
[#11]

Quoted:
Are you sure this is true, not to doubt?  I can't find my Ceiner kit, I think the house ate it, but what keeps the Ceiner carrier from moving back into the buffer tube, if not the buffer/spring?


The tab at the rear of the Ciener carrier will rest against  the upper flat of the 'lower' receiver and prevent contact with the buffer.
The buffer 'pin' if installed would also prevent the Ciener carrier from contacting the buffer, cause there aint no slot to allow the carrier to contact the buffer.
I got to thinking about this and did a pretty good search on the web, and could no reference to to the necessity of the buffer and/or spring.
If not needed/necessary the a lot of weight can be saved.
Take a  look at the pictures, I hope what I'm trying to say might be made clearer.

So I see no need for the buffer/spring to be installed in a conversion with the Ciener as pictrured. The Ciener bolt and carrier just cant interact with the buffer.

Agree....Disagree.....



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5/2/2008 4:45:20 AM EDT
[#12]
thanks QUIB.. I just hope they helped the OP answer his question.

After seeing skychairs pics it appears as these kits use a similiar method of holding the unit in place. (skychair if those are pics of your receiver, I think you have your port door spring installed backwards. The long leg of the spring is usually on the right hand side)
5/2/2008 4:52:07 AM EDT
[#13]
Okay, found my Ciener Kit.  Cracked is not on crack (I always wanted to say that).  Here are the pics:

M261 on the left, Ciener on the right:


Detail of the back ends:
5/2/2008 4:53:14 AM EDT
[#14]

Quoted:
thanks QUIB.. I just hope they helped the OP answer his question.


I’m sure they did. And it appears he added some excellent pics himself.

But like I’ve said in the past:  


I feel if a person is going to give out advice here, then they need to be held accountable for their answer.


My answer was wrong, I was corrected, and I apologize.
5/2/2008 4:53:31 AM EDT
[#15]
If you don't need the buffer or spring, how about the buffer tube??? Can you just fabricate a blocking plate and leave the tube off??? Something that would hold the conversion unit in place, but not extend way out the back end???

This would be for 22LR only, of course...
5/2/2008 4:58:57 AM EDT
[#16]

Quoted:
If you don't need the buffer or spring, how about the buffer tube??? Can you just fabricate a blocking plate and leave the tube off??? Something that would hold the conversion unit in place, but not extend way out the back end???

This would be for 22LR only, of course...


I've seen pics of dedicated .22's with Ace folding stocks on 'em. Ace folders are just a plate with an adapter for the stock to hinge on.

edit:
after looking at skychairs pics again I remembered seeing this on spikes website.
It's for .22 pistol conversions

it screws into the buffer tube hole in the lower when a conversion kit is used.
5/2/2008 5:06:39 AM EDT
[#17]

Quoted:
If you don't need the buffer or spring, how about the buffer tube??? Can you just fabricate a blocking plate and leave the tube off??? Something that would hold the conversion unit in place, but not extend way out the back end???

This would be for 22LR only, of course...


I see a 27 round 22lr pistol with no extension past the pistol grip. :o)
5/2/2008 5:08:58 AM EDT
[#18]

Quoted:
If you don't need the buffer or spring, how about the buffer tube??? Can you just fabricate a blocking plate and leave the tube off??? Something that would hold the conversion unit in place, but not extend way out the back end???

This would be for 22LR only, of course...


That is correct, Ace makes 4 different ones.  Kind of expensive, but the cool thing is you can purchase their folding mechanism separately and roll fab your own.
5/2/2008 5:11:01 AM EDT
[#19]

Quoted:

Quoted:
If you don't need the buffer or spring, how about the buffer tube??? Can you just fabricate a blocking plate and leave the tube off??? Something that would hold the conversion unit in place, but not extend way out the back end???

This would be for 22LR only, of course...


I see a 27 round 22lr pistol with no extension past the pistol grip. :o)


using an upper like this

I know it's not retro... but I still think it's kinda' neat
5/2/2008 6:13:44 AM EDT
[#20]

Quoted:
it screws into the buffer tube hole in the lower when a conversion kit is used.


Hmmm...Looks like you'd need a carbine buffer tube retaining plate so the rear pivot pin wouldn't fall out...I'd make the threaded portion longer...and get rid of that big hex portion...Maybe a recessed slot instead...  

Sorry...just thinking out loud...  
5/2/2008 6:22:27 AM EDT
[#21]

Quoted:

Hmmm...Looks like you'd need a carbine buffer tube retaining plate so the rear pivot pin wouldn't fall out...I'd make the threaded portion longer...and get rid of that big hex portion...Maybe a recessed slot instead...  

Sorry...just thinking out loud...  


Heck, just use one of these:



ETA: you also need one of these:

5/2/2008 6:44:56 AM EDT
[#22]

Quoted:
Heck, just use one of these:

media.ar15.com/media/viewFile.html?i=2128

ETA: you also need one of these:

media.ar15.com/media/viewFile.html?i=2131


You'd want one of their folding stocks, too, wouldn't you???

Linky

Then you could stuff your 22LR AR in your briefcase, lunchbox, glove compartment...  

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