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10/19/2008 4:01:40 PM EDT
Does a .22LR dedicated upper use a buffer/spring?  I've seen the bolts (in pictures only) and it looks like there are springs so that the bolt recoils into itself; is this correct and, if so, what goes in the buffer tube?
10/19/2008 4:48:17 PM EDT
[#1]
You just leave whatever buffer and spring you have inyour lower when you switch on the .22 upper.
10/19/2008 4:53:23 PM EDT
[#2]
I leave mine in so I can switch my upper back to .223. But you do not need a buffer and spring at all. You can put a folding stock on the lower if you want.
10/19/2008 5:27:08 PM EDT
[#3]
Not dedicated upper but i have shot my ciener conversion w/o spring and buffer before with no probs
10/19/2008 5:43:38 PM EDT
[#4]
Thanks.  This will be a dedicated rifle.  Is the .22 bolt held in place by the buffer retention spring, or are there other means?
10/19/2008 6:22:57 PM EDT
[#5]
The 22 Conversion is machined to stay in place when the Upper and Lower are Closed. I have an AR Pistol with No Buffer, No Tube (A Plug), No Buffer Spring and No Retainer. It has been used with a Ciener and An Oly M261. Works Perfectly.
SO-13
10/20/2008 3:19:42 AM EDT
[#6]
The carrier holds it in place against the end of the reciever.
10/21/2008 11:25:10 AM EDT
[#7]
It has a square tab at the top of the rear plate that sits in the cut out area where the charging handle rides. It can't go back into the tube.......it's all good.

10/21/2008 4:57:13 PM EDT
[#8]

Quoted:
Not dedicated upper but i have shot my ciener conversion w/o spring and buffer before with no probs

Same here.  Kinda.

My dedicated rimfire carbine didnt have a buffer or spring for about a week after I put it together.  Too much of a hurry to cap some tin cans I guess.
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